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Chevy Bolt EV's battery shows big improvements over Spark's

Plug-in vehicle battery technology moves fast, and all you need to do to see this in action is to take a look at the new 60-kWh lithium-ion pack inside the 2017 Chevy Bolt EV. Well, you need to do that and then compare it to the battery packs inside of GM's other plug-in vehicles. And you don't even to go as far back as the EV1 to see progress. Let's start with what we know about the new Bolt's pack. It is supposed to drive the Bolt EV over 200 miles on a full charge. It weighs 960 pounds and is made up of 288 cells. Chevy's other all-electric car, the limited-availability Spark EV, had a 19-kWh pack and offered 82 miles of range. It had 192 cells and weighed 474 pounds. So, in the few years since the Spark EV was released, GM engineers have figured out how to get three times the energy capacity and almost two-and-a-half times more range out of a pack that weighs only about twice as much. And that doesn't even get to the price drops. GM has figured out how to get 3x the energy capacity and almost 2.5 times more range out of a pack that weighs only twice as much. Speaking of those 288 cells, that number might sound familiar to regular readers because that's exactly how many are in the new Chevy Volt. But the packs in the Volt and the Bolt are entirely different beasts. For one thing, while the Volt cells are made by LG Chem in Holland, MI, LG Chem will make the Bolt's cells in South Korea. The cell chemistries are also different. We spoke with GM engineer Tim Grewe (again) and while he declined to answer some of our Bolt battery pack questions until more details are unveiled at the SAE World Congress in April, he was able to explain a few things. "The cell inside the Chevy Bolt EV was specifically designed for EV range so it's up on energy," he said. "That's a different cell chemistry than on the extended range Chevy Volt, which is a smaller pack, smaller energy but more power per cell. We work with all of those vehicle requirements and customer demands and we say how do we meet this and we change the chemistry to make it all work." Comparing the 60 kWh in the Bolt and the 18.4-kWh pack in the Volt is really one of those apples to oranges issues, he said. "If you look at the Volt battery pack, how it went from where it was and where it's up to, from 38 miles to 50 miles, that was basic, overall industry improvement. Now, the 18 [kWh] to the 60 [kWh] is extended range vs. EV.

2019 Hyundai Kona Electric First Drive Review | No compromises

The results of last week's United Nations climate study reveal that Earth's climate situation is much more dire than previously thought. Unless we do something drastic to stop pumping carbon emissions into our atmosphere, we'll do irreversible damage by 2030. It seems almost prophetic, then, that Hyundai is launching two vehicles — the hydrogen-powered Nexo FCV and an all-electric variant of the recently launched Kona crossover. The more compelling of the two is the Hyundai Kona Electric. It joins other purely battery-powered machines such as the Nissan Leaf, the Chevy Bolt and the Tesla Model 3, but the Korean automaker one-ups the competition by arriving in the form of a crossover. Americans can't get enough of them, and no other pure electric on the market offers it unless you're talking about the $83,000 Tesla Model X. The Kona EV's next closest competitor is the boxy electric Soul, and in case you didn't know, Kia's affiliate company is none other than Hyundai. In truth, the crossover moniker isn't entirely accurate. Like its internal-combustion-engined counterpart, the Kona EV doesn't really sit above regular car height. Rather than call it a compact crossover, it'd be more appropriate to label it a hatchback with some rugged-looking body cladding. The Kona Electric does, however, top nearly all of its EV rivals for cargo space, with 19.2 cubic feet. Only the Leaf tops it at 23.6 cubic feet, but the Kona's footprint is almost a foot shorter than the Nissan's. Visually, the Kona Electric is distinguished from its petrol-powered sibling by a grille-less face, replaced by an LCD readout grid pattern with the charging port neatly hidden beneath a panel on the left side. A new light bar spans the prow, connecting the upper driving lights in a digital wave pattern repeated in the lower front, side and rear skirts. It's meant to evoke the pathways in a circuit board, according to senior chief designer Chris Chapman. Inside, more differences serve to remind you that you're sitting not just at the helm of a crossover, but a shuttle to the future. An array of PRND buttons and an electronic parking brake await your instructions. Neither seemed necessary nor an improvement over the Kona classic's tried-and-true gear selector and handbrake, but there they were. The e-e-brake perhaps does permit the double-decker center console, though, the lower level meant for gadget recharging, whether via USB or Qi wireless.

2014 Chevrolet Corvette Stingray convertible headed for Geneva debut

While most of the world is still coming down from all the hype surrounding the debut of the 2014 Chevrolet Corvette Stingray at the Detroit Auto Show earlier this month, we're already looking to the future. And according to Autoweek, the next chapter in the C7 story will unfold at the Geneva Motor Show in March. That's right, General Motors is reportedly using the Swiss stage as its venue to debut the Corvette Stingray convertible.
If this strikes you as odd, you aren't alone. After all, with a car that's such an American icon, we'd fully expect Chevrolet to unveil it here on our shores in either Chicago or New York. But according to Autoweek, GM is looking to boost export sales of its halo car, and since the C7 was engineered to compete with the world's best and brightest, showing it off in Geneva is somewhat of a smart move. What's more, those with sharp memories will recall that GM used the Geneva expo to debut the sixth-generation C6 Corvette convertible back in March 2004, so there's also a precedent.
Details surrounding the Corvette Stingray convertible are still slim, though we fully expect the 6.2-liter V8 and choice of either six-speed automatic or seven-speed manual transmissions to carry over unchanged. Prototypes spotted on the road showed the car fitted with a cloth convertible roof, as well.