How GM Beat Tesla to the First True Mass-Market Electric Car
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Ten years ago, the room where I’m
standing would have been filled with a deafening roar. The air would
have pealed with the sound of a dozen V-8 engines, each one trembling
atop its own laboratory pedestal as engineers in white shop coats used
joysticks to adjust its throttle and load. ¶ Today, though, this former
engine testing facility at General Motors’ Warren Technical Center,
outside Detroit, is almost dead silent. From one end to the other—across
a space roughly the size of two soccer fields—the room is blanketed
with the low-frequency hum of cooling fans, interrupted only by the
occasional clack of a keyboard and, on this particular morning, the
chatter of Larry Nitz’s voice. ¶ “Let’s take a walk,” he says after
we’ve lingered in the doorway a moment. A voluble guy with a head of
gray curls, Nitz is chief of electrification at General Motors, and this
facility—the largest automotive battery lab in North America—is his
domain.
In
place of all the old V-8s, a grid of 18 massive cobalt blue boxes, each
10 feet high and 8 feet wide, now dominate the lab. They look a little
like walk-in freezers, which isn’t too far off. They’re climate
simulators, Nitz says as we file past row after row of them. Battery
chemistry is fiendishly sensitive to temperature and humidity, he
explains, and electric cars have to hold up in every kind of weather. So
inside each blue chamber, GM has created a virtual Yukon winter or
Florida summer or Arizona spring. The enclosed batteries—not the
familiar 40-pound bricks that need a jump start from time to time, but
1,000-pound behemoths built to power an entire car—are hooked up to
testing equipment that charges and discharges them in patterns designed
to mimic the ways
people drive in cities, in the suburbs, and on the highway. The tests
run 24 hours a day and in silence, generating terabytes of data.
But Nitz hasn’t brought me here just to show me a bunch of blue
boxes. Near the end of the room, he finally stops us in front of a large
industrial dolly. Sitting on top is a smooth black alien-looking thing,
about the size and shape of a very thick rectangular kitchen tabletop.
It’s 3 feet wide and 6 feet long and has dozens of plastic-tipped,
copper-colored wires protruding from its surface in a sprawling mess of
metallic spaghetti.
This dark monolith is the thing I’ve come to Detroit to see. It’s the
technological heart of what promises to be the most significant vehicle
General Motors has produced in decades: the first truly mass-market
all-electric car. “This,” Nitz says, “is the battery pack for the Bolt.”
Inside
the battery lab at the GM Technical Center in Warren, Michigan. These
climatic testing chambers can subject batteries to temperatures varying
from -85 to 185 degrees Fahrenheit, with humidy levels ranging from 0 to
100 percent. David Lewinski
LECTRIC VEHICLES have
been available to American consumers for the better part of two
decades. The first EVs looked like science projects only a Sierra Club
member could love, while today an all-electric luxury sedan—the Tesla
Model S—is routinely described as the coolest car on the planet. Early
electric cars had a maximum range of 50 miles; today’s highest-rated
EV—again, the Model S—can go as many as 300 miles before it needs to
plug in. And yet, for all that progress, fully electric vehicles still
make up less than 1 percent of US auto sales. There’s a straightforward
reason for this: The only one that goes far enough costs far too much.
Most of us simply can’t shell out more than $70,000 for a Tesla. But
comparatively affordable electrics like the Nissan Leaf still travel
only about 80 miles on a charge—not far enough to dispel the dreaded
“range anxiety” that such a low number provokes in most American
drivers. A 2013 study by the California Center for Sustainable Energy
found that only 9 percent of consumers said they would be satisfied with
an electric car that can go 100 miles on a charge. Increase that range
to 200 miles, though, and 70 percent of potential drivers said they’d be
satisfied.
Tesla CEO Elon Musk has called 200 miles the “minimum threshold” for
broad public adoption of electric cars. Offer that kind of range at a
price that’s affordable to the average consumer and the potential market
for electrics suddenly looks a whole lot bigger. Get there first and
that new market could be all yours.
In its long history, General Motors has managed to kill the electric car not once but twice.
That’s why, over the past couple of years, a number of major
automakers—General Motors, Nissan, Volkswagen—have lined up with plans
to offer an electric car with (yep) approximately 200 miles of range,
for a price somewhere around the average cost of a new American car,
about $33,000. They all hope to do so quickly, as fuel efficiency
requirements are ratcheting up every year. And they all hope to get
there before media darling Tesla does. Musk—billionaire, celebrity,
space and solar-energy mogul, would-be colonizer of Mars—has said since
2006 that Tesla’s “master plan” is to work toward building an
affordable, long-range electric car. And in 2014 he said that goal was
in sight: In 2016 Tesla would unveil a car called the Model 3 with a
sticker price of $35,000 and 200 miles of range. Production would start
in 2017.
In short, the electric car business has taken the form of an
old-fashioned race for a prize—a race in very soft sand. There’s no
Moore’s law for batteries, which are chemical not digital. Cell
development is all slow, arduous trial and error. When your goal is to
drive energy efficiency up while driving costs down on a mass industrial
scale, there aren’t many shortcuts or late-night inspirations to be
had. But now it looks pretty clear who the winner will be. And it ain’t
Tesla.
General Motors first unveiled the Chevy Bolt
as a concept car in January 2015, billing it as a vehicle that would
offer 200 miles of range for just $30,000 (after a $7,500 federal tax
credit). Barring any unforeseen delays, the first Bolts will roll off
the production line at GM’s Orion Assembly facility in Michigan by the
end of 2016. As Pam Fletcher, GM’s executive chief engineer for electric
vehicles, recently put it to me with a confident grin: “Who wants to be
second?”
For GM, the Bolt stands to offer a head start in a new kind of market
for electric cars. But for the rest of us, there’s a broader
significance to this news. It’s not just that Chevy will likely be
first. It’s that a car company as lumbering and gigantic as GM, with
infrastructure and manufacturing capacity on an epic scale, has gotten
there first—and is there now. Tesla is nimble, innovative, and
fun to watch, as companies go. But the Bolt is far more significant than
any offering from Tesla ever could be. Why? Think of the old saw about
how long it takes to turn an aircraft carrier around: It’s slow, and
there’s not much to see at any given moment. But the thing about people
who actually manage to turn one around is: They’ve got a freaking aircraft carrier.
Mary Barra, the CEO of GM, is a company lifer who has spent years shepherding the Bolt into existence.
Joe Pugliese
EFORE WE GO
any further, let’s pause for a moment to savor just how richly ironic
it is that General Motors is about to take the lead in the electric car
race. GM is, after all, a company that went bankrupt just seven years
ago and survived only with the help of a federal bailout; a company
whose board of directors was described by President Obama’s auto czar,
Steven Rattner, as “utterly docile” in the face of impending disaster; a
company that has been the butt of jokes about its lackluster,
unreliable, macho cars for years; a company that churned out Hummers
while Toyota gave us the Prius. And even more to the point, we’re
talking about a company that has a long history with electric
vehicles—the way South Park has a long history with Kenny.
That’s right. General Motors killed the electric car. More than once.
In the earliest days of the auto industry, electric cars were about
as popular as their combustion-powered counterparts. Just like today,
they were cleaner and quieter but more limited in range than the
competition. Plus, they didn’t require a hand crank to start—an annoying
feature of early combustion vehicles that occasionally resulted in
broken fingers. But in 1912, Cadillac, GM’s luxury arm, came out with
the first electric starter for gas-powered vehicles. Electric cars died
out shortly thereafter, and in a cloud of exhaust GM surged to become
the world’s largest carmaker.
Fast-forward 84 years, and for a brief interlude it looked like GM
was about to take the lead in bringing electrics back. In 1996, in
response to a California mandate that required automakers to have
zero-emissions vehicles ready for market by 1998, GM rolled out the EV1,
the first mass-produced electric vehicle of the modern era. The
funny-looking two-seater had a range of about 50 miles and was offered
for lease to consumers in California and Arizona. It was impractical,
dinky, and entirely doomed. It earned a small coterie of devotees but
held little appeal for mainstream consumers. It used almost all unique
parts, forfeiting the advantages of GM’s scale. And even as GM’s EV1
team was busy building the car, GM’s lawyers were lobbying hard, side by
side with the other big automakers, to get California to back off its
requirement.
Charging Through History
In the early days of the
automobile, electric cars outnumbered gasoline-powered vehicles on
America’s rutted, manure-strewn roads. But even as the internal
combustion engine became the automobile’s dominant power source, the
dream of the electric car never died. —Jordan Crucchiola
Slide: 1 /of 19.Caption: Caption: 1891 | Iowa chemist William Morrison builds the first successful American EV.
It tops out at 14 mph. The 768-pound, 24-cell battery makes up half the vehicle’s total weight.
Slide: 2 /of 19.Caption: Caption: 1897
| The Pope Manufacturing Company—builder of the Columbia Electric
Phaeton Mark III—becomes the first large-scale EV maker in theYork.Commons
Slide: 3 /of 19.Caption: Caption: 1900 | Ferdinand Porsche is credited with creating the first gas-electric hybrid, the Lohner-Porsche Semper Vivus.COURTESY OF PORSCHE
Slide: 4 /of 19.Caption: Caption: 1907
| The most successful EV manufacturer of the early 20th century, the
Detroit Electric Car Company, begins producing vehicles, ultimately
making more than 13,000 of them.GETTY IMAGES
Slide: 5 /of 19.Caption: Caption: 1908 | Henry Ford’s Model T kicks off the modern age of combustion-engine-powered cars.CORBIS
Slide: 6 /of 19.Caption: Caption: 1912
| GM’s Charles Kettering invents the electric starter, eliminating the
need to hand-crank gas-powered cars, which were already cheaper than
EVs. Now they’re easier to use too.COURTESY OF GM Advertisement
Slide: 7 /of 19.Caption: Caption: 1939 | The Detroit Electric Car Company shuts down, pretty well marking the end of the first era of electric vehicles.LIBRARY OF CONGRESS
Slide: 8 /of 19.Caption: Caption: 1971
| EVs arrive in space! The electric lunar rover ferries astronauts
around the moon. It’s tough to find an EV anywhere on Earth, though.GETTY IMAGES
Slide: 9 /of 19.Caption: Caption: 1972
| Spurred by federal incentives attached to the Clean Air Act of 1970,
engineer Victor Wouk modifies a 1972 Buick Skylark to make it a
gas-electric hybrid. The government awards him $33,000 for the design
but doesn’t take the idea further.COURTESY OF EPA.GOV
Slide: 10 /of 19.Caption: Caption: 1973
| The Arab oil embargo, with its resulting high oil prices and fuel
shortages, scares the US into thinking about EVs again. GM develops an
urban electric concept prototype.ALAMY
Slide: 11 /of 19.Caption: Caption: 1974
| Sebring-Vanguard’s toylike CitiCar debuts at the Electric Vehicle
Symposium in Washington, DC. It has a top speed of 30 mph and can travel
40 miles on a single charge—in warm weather.CORBIS
Slide: 12 /of 19.Caption: Caption: 1986 | Oil prices fall again. Never mind about those EVs, bring on the SUVs!ALAMY Advertisement
Slide: 13 /of 19.Caption: Caption: 1996 | Responding to a California mandate requiring zero-emissions vehicles, GM comes out with the EV1. Popular Science calls it “a turning point for the fledgling electric car industry.” But the cars end up getting recalled.CORBIS
Slide: 14 /of 19.Caption: Caption: 1997
| Toyota introduces the Prius and sells 18,000 units in the first year
of production. It becomes the world’s first mass-produced gas-electric
hybrid vehicle.ATSUSHI TSUKADA/AP PHOTO
Slide: 15 /of 19.Caption: Caption: 2006
| Tesla Motors debuts its Roadster at the San Francisco International
Auto Show. It can travel more than 200 miles before needing to recharge.
Celebrities like it.ALAMY
Slide: 16 /of 19.Caption: Caption: 2009
| Nissan rolls out the Leaf. The fully electric car can go about 80
miles on a charge and reach 90 mph. It will eventually become the
top-selling electric vehicle in the US.GETTY IMAGES
Slide: 17 /of 19.Caption: Caption: 2010
| GM releases the Chevy Volt, the first commercially available plug-in
hybrid, with a gas engine that supplements the electric drive once the
battery is depleted.GETTY IMAGES
Slide: 18 /of 19.Caption: Caption: 2012 | For around $70,000, drivers can now buy Tesla’s Model S, a luxury electric sedan with 208 miles of range and a 302-hp motor. The New York Times calls it the most fundamental change in automotive design since the Model T. And it looks amazing.RUARIDH STEWART/ZUMAPRESS.COM/CORBIS Advertisement
Slide: 19 /of 19.Caption: Caption: 2015
| General Motors unveils the Bolt concept vehicle, a four-door
hatchback that promises to go 200 miles on a charge and sell for about
$30,000—just below the average cost of an American car.GETTY IMAGES
Slide: 1 /of 19.Caption: Caption: 1891 | Iowa chemist William Morrison builds the first successful American EV.
It tops out at 14 mph. The 768-pound, 24-cell battery makes up half the vehicle’s total weight.
Right around the time the EV1 was ready to hit dealerships,
California weakened its mandate, relieving the legal pressure on
automakers to offer zero-emissions cars. And after a few lackluster
years marketing its electric automobile, GM unceremoniously dumped the
money-bleeding EV1. It declined to renew the leases on the roughly 1,100
cars it had put on the road, recalled the vehicles, and—with an
inadvertently theatrical flourish—crushed almost all of them and piled
their carcasses in a junkyard. The experiment cost the company about $1
billion and was a public relations disaster. Years later a documentary
that dramatically recounted the EV1 saga, Who Killed the Electric Car?, helped cement the perception that a feckless GM had committed technological infanticide.
By the mid-2000s, executives realized what a colossal mistake they
had made. After riding out the ’90s with a doubled-down commitment to
its traditional profit centers—SUVs and light trucks—GM sustained $8.6
billion in losses in 2005. Toyota, which boasted $9 billion in profits
that same year, was on the verge of surpassing GM as the world’s largest
carmaker. The Japanese firm was riding to victory on a reputation for
economical, fuel-efficient cars, especially the Prius, an egg-shaped
hybrid that delivered 50 miles per gallon and sold in the hundreds of
thousands.
All of that pissed off Bob Lutz, GM’s vice chair for product
development at the time. A cigar-chomping veteran of the car industry
with a penchant for irascible quotes—he once panned GM’s cars for
looking like “angry kitchen appliances”—Lutz was especially attuned to
the big narratives that drive public perception of the auto industry
(while under the surface, most of the real action is driven by recondite
stuff like regulation, industrial and trade policy, labor economics,
and logistics). Lutz hated how the Prius had put a saintly halo on
Toyota, which sold plenty of SUVs and pickups, while hapless GM was
mocked for making the Hummer. He also took notice when Silicon Valley
upstart Tesla made a major splash with its public debut, announcing it
planned to make a lithium-ion-battery-powered luxury sports car.
And so Lutz, a guy who would later declare that global warming
is a “total crock of shit,” began lobbying GM’s leadership to make the
biggest, greenest play possible. He didn’t want GM to just build a
me-too hybrid to compete with Toyota. He wanted GM to build a fully
electric car that almost anyone could afford to buy and that wasn’t
limited by range. He wanted, in effect, to build the Bolt. But the
technology wasn’t there.
The car that GM actually built at Lutz’s insistence—the Chevy Volt—went
on to become one of the most talked-about American vehicles in decades,
for a whole host of reasons, many of them symbolic. But in-house, says
Tony Posawatz, the engineer who led the team that developed the Volt, it
was very clear that this was going to be a transitional car—a warm-up
for GM’s electric long game.
For the Volt, GM settled on a design that was neither a Prius-style
hybrid nor a pure electric car but something in between called an
extended-range electric vehicle. The setup would combine a plug-in
battery strong enough to serve as the car’s main power train, plus a
motor with a small gas engine that would work as a generator, creating
electricity to keep the vehicle going when the battery was depleted. But
even that hybrid design forced GM engineers, to a remarkable extent, to
become cavemen rediscovering fire.
Being inside the Bolt feels a bit like flying economy class on a brand-new, state-of-the-art plane.
Nearly everything changes when you opt for a fundamentally different
power train, so GM’s greatest advantage—more than a century of
experience building cars—was all but moot. Car structure was different,
since they were building around a battery, not an engine. The brakes,
steering, and air conditioner were powered differently. New systems,
from electromagnetics for the motors to onboard and off-board charging,
each came with its own learning curve. The engineers didn’t have
established tests to follow. Just turning on the car required finding
the perfect sequence of electrical signals from more than a dozen
modules. “Oh my God, it took us forever to get the first Volt to start,”
Fletcher says.
Then there was the battery. Lithium-ion chemistry was a new thing 10
years ago, and the Volt team quickly discovered how much of a pain in
the neck it is. “Batteries wear out just sitting there, and they wear
out when you cycle them,” says Bill Wallace, GM’s head battery engineer.
“And then they wear out if you over-discharge them, or if you
overcharge them.” They’re extremely sensitive to temperature. They
change shape as they charge and discharge. They can also catch fire.
In short, all these problems were new to a company
whose experience lay in what Lutz calls “the oily bits.” So the team set
about developing the expertise it lacked. GM established a curriculum
with the University of Michigan to train battery engineers. It filled a
vacant building in Brownstown, Michigan, with the equipment to make
battery packs. The engineers created test procedures and wrote them down
as they went. They modeled different use cases for the Volt, from a
woman in northern Minnesota who plugs in every night to a guy in Miami
who drives 100 miles a day. They built the battery lab and brought in
the blue environmental chambers, then used them to see how the battery
would stand up to each situation. “We invented the idea of what the lab
should be,” Fletcher says.
The Volt project was still in its infancy when the US economy
tanked in 2008, sending GM into shock. The company began losing $1
billion a month and started cleaving off limbs in desperation,
eliminating or selling its Pontiac, Saturn, Saab, and Hummer brands. The
Volt project could easily have fallen under the ax as well—but instead
it took on an outsize significance. President Obama seized on the car as
one reason GM was worth a $40 billion bailout, holding it up as a sign
that the bankrupt automaker could adapt. The Volt finally went on sale
in December 2010, to accolades (“A bunch of Midwestern engineers in bad
haircuts and cheap wristwatches just out-engineered every other car
company on the planet.” —The Wall Street Journal) and jeers (“roller skates with a plug” —Fox News).
As for actual drivers, they were pretty into the Volt. The car posted
stellar customer satisfaction ratings, and nearly 70 percent of its
drivers were new to Chevy. The trouble was that there simply weren’t
many buyers. In 2011, GM’s CEO at the time, Dan Akerson, told reporters
he wanted to produce 60,000 Volts the next year. To date, Chevy has sold
about 80,000—total. The Volt was a powerful symbol, but it wasn’t that
significant a vehicle. Buyers soon had more innovative cars to choose
from. The all-electric Nissan Leaf hit the market at around the same
time as the Volt, for a similar price. In 2012, Tesla introduced its
first-generation Model S, with upwards of 200 miles per charge.
But the real significance of the Volt was that it gave GM a brand-new
manufacturing and engineering platform for electric vehicles, where it
had had none before. “Once you make the leap, and you have a big
battery, and you have electric motors,” Posawatz says, “you’ve done all
the hard stuff.” And then you might just see an opportunity to gun for
the finish line.
Joe Pugliese
N THE MORNING
of April 2, 2014, US senator Barbara Boxer glared down from behind a
microphone in a Senate hearing room in Washington, DC, demanding answers
from America’s industrial problem child, General Motors. The company
had just instituted its largest recall ever, after reports that faulty
ignition switches on millions of cars from the 2000s had been
responsible for numerous deaths and injuries. Boxer, as part of a
congressional investigative committee, was castigating GM’s new CEO,
Mary Barra, who had been in the job a mere three weeks. “Woman to woman,
I am very disappointed,” Boxer said. “The culture that you are
representing here today is a culture of the status quo.”
Barra sat there, practicing the studiously neutral, calmly repentant
facial nonexpression of someone getting grilled by Congress. The main
theme of Barra’s testimony was that the old GM—with a docile, nodding
bureaucratic culture that swept problems under the rug—had died with the
company’s 2009 bankruptcy, bailout, and restructuring and that the new
GM was different. But the “culture of the status quo” charge wasn’t so
easy for Barra, of all people, to deflect: She’s not only a GM lifer,
she’s a second-generation lifer. Her dad was a die-maker for Pontiac, and she started with the company when she was 18. (She’s 54 now.)
On the other hand, Barra had a strong hand in a lot of the most
transformative stuff going on at GM. Chief case in point: Not long
before she became CEO, Barra had been tapped to run development of new
products, the position once held by Lutz. So by the time she was hauled
before Congress in 2014 to answer for the company’s past sins, she had
been overseeing the efforts of GM’s electrification gang for three
years.
When I walk into Barra’s office one recent fall day, she’s standing
in front of her desk wearing black pants, a black turtleneck, and an
Apple Watch. (Offsetting the Steve Jobs vibe just a bit is a calendar on
the wall that shows a fluffy white cat in the backseat of an Opel
Corsa.) As Barra tells it, the process to develop the Bolt really took
off when GM’s team was regrouping after a major setback. In 2012, GM
invested in a California startup called Envia, which had developed a new
battery that posted incredible performance numbers. Envia promised to
deliver a 200-mile battery by fall 2013. But its technology turned out
to be a flop.
Not only is GM likely to win the race, it may have the winner’s circle to itself for some time.
So in spring 2013, GM’s senior leaders and the most important figures
on its electrification team gathered in the virtual reality room of the
company’s Design Center to assess the situation. “We started to go,
‘OK, what can we do?’” Barra says. Was there another route to 200 miles?
The EV folks hesitated but started pulling together different
elements—improvements in battery life, cost savings in motors—that,
combined, might represent a way forward. “We can push our way toward
200,” Fletcher recalls thinking.
The meeting turned into a full-on brainstorming session, one that
ended, Barra says, with what looked like a viable path to the Bolt: “And
we all went, ‘Let’s do that.’”
And so the design team set to work devising a car that would appeal
to consumers well beyond the ecowarrior, early-adopter demographic. Some
flashy ideas were thrown out early on: A carbon fiber body? Lightweight
but too expensive at this price point. Suicide doors? Eye-catching, but
they added mass without functional benefits. Capped wheels? Good for
aerodynamics, but they signaled something science project–y. “It’s got
to look like a serious car,” design lead Stuart Norris says. The team
delivered as spacious an interior as possible, with upright glass to
make the relatively small car feel more substantial and a raised driving
position for a commanding view of the road.
Meanwhile, the technical folks set about making Norris’ design go 200
miles on a charge. At their most basic, batteries are made of powders,
the morphology of which—grain size, distribution, how they’re bound
together—is key to the power and energy of each cell. LG, General
Motors’ battery provider, had cooked up a noticeably improved cell that
retained energy capacity particularly well when it got hot, as
lithium-ion batteries tend to. That meant Chevy could use a smaller
cooling system and stick more cells in the battery pack for more range.
LG also improved the battery’s conductivity, so the ions flowed faster,
translating to quicker acceleration (the Bolt can go from 0 to 60 in
seven seconds).
As soon as the battery was ready, engineers at GM’s Michigan proving
ground hacked together a bastard car using the front half of a Chevy
Sonic and the rear of a Buick Encore. They called it the Soncore and
fitted it with the Bolt battery pack and motor, using the
Franken-vehicle to make sure the propulsion system worked. That way,
once the real Bolt body was in development, the teams responsible for
the car’s chassis controls, vehicle dynamics, and suspension tuning
could get right to work.
As 2014 bled into 2015, Chevy engineers built about 100 Bolt
prototypes, shipping them around the US for real-world testing to verify
the findings of the battery lab. The cars went to Arizona and Florida.
The team drove them up the California coast and negotiated San Francisco
traffic. They ran the prototypes over rough roads, looking for ways to
reduce noise and vibration (extra-tricky in a car with no engine to mask
odd sounds). They chose specially developed Michelin tires to minimize
rolling resistance and improve range. Working fast, they made thousands
of changes to the car, constantly looking for ways to improve. By the
time I arrived for a test-drive, in October, the team still had more
than 500 open work orders to complete.
Joe Pugliese
HE FIRST TIME
I lay eyes on the Bolt, it’s wrapped in swirling black-and-white
camouflage—the effect known as dazzle—designed to hide its curves and
lines from cameras. That’s about as flashy as things get. There are no
gull-wing doors or retracting handles like on some Teslas. The Bolt sits
on modest 17-inch wheels. It appears to be a nice,
of-the-moment-looking hatchback, like a Prius C or a Honda Fit with a
shorter hood and taller roof. The main thing that indicates its
revolutionary potential is the dashboard, which tells me I have 192
miles of range, a number I’ve only seen in Teslas.
Josh Tavel, the Bolt’s chief engineer, invites me to take a seat
behind the steering wheel and, from the passenger seat, starts showing
me around the interior. He begins with the caveat that the vehicle is
only about 80 percent done—thus the big red emergency stop button just
above the cup holders and the fire extinguisher in the backseat.
As I put the Bolt into drive and start exploring the GM Technical
Center’s 11 miles of roads, Tavel gives me a tour of the interior. It’s
decked out with a bunch of digital-age bells and whistles: On the
dashboard is a high-definition 10.2-inch touchscreen. There’s a special
space shaped to hold an iPhone 6, with a charge port right there, and a
console compartment that fits a tablet. The rearview mirror can pipe in a
display from cameras on the back of the car. The car also associates
personal settings with different keys, so it knows whether you or your
spouse is driving and tunes the radio appropriately. The backseat is
remarkably roomy for a compact car, especially when it comes to
headroom. I’m taller than average, and there are 3 or 4 inches between
my head and the roof.
Overall, being inside the Bolt feels a little like flying in economy
class on a brand-new, state-of-the-art plane. You’ve got a screen, an
outlet to plug in your phone, enough legroom, and some sleek
appointments. It’s not first class, but it doesn’t rub your nose in that
fact the way some economy cabins (and some GM cars) do.
When I meet with Barra after my test-drive, we start by talking about
the big-picture stuff: how the car could fundamentally change public
attitudes toward electric vehicles. But she quickly moves on to the
little things: the roominess, the connectivity, how the trunk opening is
shaped so you can slide in that bookshelf you bought at Ikea. “No one’s
gonna buy 200 miles if it doesn’t come with a great vehicle,” Barra
says.
GM designers discuss fine-tuning the window glass on the Bolt’s lift gate. Courtesy of GM
Although car design happens largely on the computer, clay models remain critical for assessing form, lines, and proportion.Courtesy of GM
HEVROLET SAYS it
is on track to start delivering the Bolt by year’s end. If that
happens, it’s quite possible the company will have the winner’s circle
to itself for some time. It now appears that the next Nissan Leaf will
have 110 miles of range—a modest improvement over the current model.
Volkswagen is at least two years away from its target. (It’s also tied
up with a potentially ruinous scandal after cheating on emissions tests
for millions of its diesel vehicles.) And Tesla has a track record of
running about two years behind its production targets. But all the
automakers will need to start building attractive zero-emissions
vehicles somehow, and soon. It’s important to understand that the market
for electric cars is still driven less by corporate profit-seeking than
by government arm-twisting. In the US, federal fuel standards require
automakers to achieve a fleet average of roughly 34 miles per gallon in
2016 and 49 mpg by 2025. On top of that, 10 states won’t let automakers
operate unless they sell at least some zero-emission vehicles. All the
automakers have to figure out how to get there.
Photo by:
Joe Pugliese
If you’ve noticed certain names missing from the list of contenders
for the race to 200 miles—chiefly Toyota—that’s mainly because Japanese
and German automakers have focused on hydrogen fuel cell cars, an
embryonic, expensive, and zero-carbon-emission technology that has its
own problems, like a lack of national fueling infrastructure. Other
automakers have responded to the rising tide of mandates with vehicles
developed solely to meet requirements and avoid fines (shades of the
EV1). The resulting cars are less than compelling and a pain for
automakers. In May 2014, Fiat Chrysler CEO Sergio Marchionne actually
asked people not to buy the all-electric version of the Fiat 500,
saying, “Every time I sell one, it costs me $14,000.” But the math of
electric vehicles may begin to change with a mass-market EV like the
Bolt, whose sales numbers could be in a different league. Barra wouldn’t
disclose a sales goal—Chevy got pretty burned after missing its
announced target for the Volt. Kelley Blue Book senior analyst Karl
Brauer says that anything more than 50,000 units a year would be a huge
coup. A number like that would make the Bolt the best-selling pure
electric ever, ahead of Tesla and leagues ahead of Nissan’s Leaf and
BMW’s new and funky i3.
Even if sales revenue from the Bolt doesn’t equal what GM has
spent developing the car—which is likely, because battery power is still
expensive—the Bolt will bring other benefits to GM. The car’s fuel
economy rating will be so good that even just decent sales would
significantly boost GM’s average fleet-fuel-economy numbers, ironically
allowing the automaker to sell more pickups and SUVs, where the real
profit margins are.
Perhaps most of all, executives are hoping that the Bolt will change
the narrative about GM—which is important because a hapless company that
churns out beefy trucks and lackluster sedans doesn’t have much place
in the future. These days it’s a refrain among GM executives that in the
next five to 10 years, the auto industry will change as much as it has
in the past 50. As batteries get better and cheaper, the propagation of
electric cars will reinforce the need to build out charging
infrastructure and develop clean ways to generate electricity. Cars
will start speaking to each other and to our infrastructure. They will
drive themselves, smudging the line between driver and passenger.
Google, Apple, Uber, and other tech companies are invading the
transportation marketplace with fresh technology and no ingrained
attitudes about how things are done.
The Bolt is the most concrete evidence yet that the largest car
companies in the world are contemplating a very different kind of future
too. GM knows the move from gasoline to electricity will be a minor one
compared to where customers are headed next: away from driving and away
from owning cars. In 2017, GM will give Cadillac sedans the ability to
control themselves on the highway. Instead of dismissing Google as a
smart-aleck kid grabbing a seat at the adults’ table, GM is talking
about partnering with the tech firm on a variety of efforts. Last year
GM launched car-sharing programs in Manhattan and Germany and has
promised more to come. In January the company announced that it’s
investing $500 million in Lyft, and that it plans to work with the
ride-sharing company to develop a national network of self-driving cars.
GM is thinking about how to use those new business models as it enters
emerging markets like India, where lower incomes and already packed
metro areas make its standard move—put two cars in every
garage—unworkable.
This all feels strange coming from GM because, for all the changes of the past decade and despite the use of words like disruption and mobility,
it’s no Silicon Valley outfit. The men and women who built the Bolt are
pure Detroit. Mary Barra, Tony Posawatz, and Larry Nitz are all GM
lifers. As a kid, Pam Fletcher built engines for race cars with her
father. Josh Tavel raced motocross before getting into stock cars as
both a driver and an engineer. He practically sweats gasoline. And yet
he led the engineering team that could bring electric driving into the
mainstream. I’ve been driving the Bolt around the Technical Center campus for about
15 minutes when Tavel brings up something that’s been bothering him.
“You haven’t really stepped on it yet,” he says. I’ve been taking my
time to get a feel for the car, treating it gently on wet roads in the
presence of its chief creator. But knowing what I do about the fast
pickup of electric cars—unlike combustion-powered vehicles, they
deliver instant torque—I’m happy to oblige. I find a quiet corner of the
campus and come to a stop with nothing but clear road ahead. I slam my
right foot down and the nearly silent Bolt is suddenly a noise machine:
The tires squeal on the wet pavement. After a half second, they catch
and the Bolt zips ahead, if just a bit shakily. Chassis control is not
quite perfect yet, Tavel says. That’ll be fixed before production
starts—in just a few short months.
SQL (Structured Query Language) is THE standard DML for relational database products. The query language is based on relational algebra, but borrows from tuple relational calculus. Topics: • the data-definition language (DDL) - creating, deleting and modifying relation schemas • the data-manipulation language (DML) - the query language • modification of relations (insert, delete, update) • integrity constraints (domain constraints and foreign keys) • creation and use of views • transaction control • application programming Five major standards have been defined for SQL: • SQL-86 • SQL-89 • SQL-92 • SQL:1999 • SQL:2003 Each standard is essentially a superset of the previous ones. Most major commercial systems support essentially the SQL-92 standard along with some part of the SQL:1999 and SQL:2003 standards. In the following examples, we continue to use the flys...
A transaction is a sequence of DML commands that forms a logical unit of work Example: transferring money from one bank account to another Transaction Management A transaction is a sequence of DML commands that forms a logical unit of work Example: transferring money from one bank account to another Some Definitions Atomicity - a transaction must execute completely or not at all Consistency - once a transaction completes successfully, the database must be in a consistent state Isolation: A transaction must not be affected by other transactions that are executing concurrently Durability: Once a transaction compketes successfully, its effect must persist even in the presence of system failures Concurrency control Concurrency control is a database management systems (DBMS) concept meant to coordinate simultaneous transactions while preserving data integrity. Control protocols ensures atomicity, isolation, and serializability of concurrent transactions Concurrency control protoc...
is offering The British Computer Society Chartered Institute of IT Professionals Foundation in Business Analysis On successfully passing the examination, candidates will be awarded the Chartered Certificate of the Foundation in Business Analysis Candidates will also be awarded Associate Membership of the Chartered IT Professional (CITP) Registration is on !!! Registration can be made through the following link https://docs.google.com/forms/d/e/1FAIpQLSc95O9kEpLfxtqpwV5ofhS-qVv3AlDk7T2SfVRRMm829-VKEw/viewform Note: F ee offered by Osun State University is very much less than the amount offered by the body in the UK. T his is because UNIOSUN is an accredited training provider (ATP). Examination date: September 28, 2020 Examination is online based accessible through individual computers Lecture materials can be obtained by enquiring email: patrick.ozoh@uniosun.edu.ng There are periodic classes on Skype Send enquiry to patrick.ozoh@uniosun.edu.ng
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