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Chevrolet Spark EV: speedy, smooth and quiet; the importance of motor control

Green Car Congress

Featuring a GM-developed 105 kW electric motor that pushes out 400 lb-ft (542 N·m) of torque and a 21 kWh pack that supports an estimated 82-mile (132 km) range, the Spark EV is a speedy (0-60 mph in 7.6 Much of this derives from the efforts GM has put over the years into motor control and active damping for hybrids and EVs.

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Lucid CEO shares thoughts on EV batteries, range, and Tesla’s 4680 battery cells

Teslarati

As a company, Lucid is known to work extremely hard to maximize the range in its vehicles, with the Air sedan, its first car, becoming the first electric vehicle that received an EPA rating above 500 miles per charge. And home charging is healthier for the battery, anyway,” the Lucid CEO said.

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First look at all-new Voltec propulsion system for 2G Volt; “the only thing in common is a shipping cap”

Green Car Congress

Overall the engineering team increased efficiency and reduced weight; the drive unit is up to 12% more efficient in operation—although GM has yet to quantify publicly what that means in terms of range or fuel economy—and 100 lbs (45 kg) lighter. GM has reduced the number of clutches to two from three. Click to enlarge.

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False Starts: The Story of Vehicle-to-Grid Power

Cars That Think

AeroVironment had encouraged its engineers to take creative initiative in developing the Impact, but GM tightly managed efforts to translate the idiosyncratic car into a production prototype, which rankled Cocconi and Rippel. Before cofounding AC Propulsion, Alan Cocconi worked on Sunraycer, a solar-powered car for GM.

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EV ute overload: The electric pickups coming soon

EV Central

Toyota Hilux hybrid Toyota Pickup EV is concept that shows Toyota’s idea of a battery electric ute Toyota has long been hinting at an EV version of the top-selling Hilux for years – with promises of at least 15 battery electric Toyotas due by 2030 – but it appears a hybrid version is more likely, at least initially.

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GM provides technical details of the Gen 2 Voltec propulsion system used in the 2016 Volt

Green Car Congress

After proving a initial look at the design and capability of the different components ( earlier post ) late last year, GM is now providing deeper technical insight into the second-generation platform. In designing the second-generation system, GM engineers built on the knowledge and data gained from the first-generation Volt.

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MIT Battery Breakthrough Could Revolutionize Electric Cars : Gas 2.0

Tony Karrer Delicious EVdriven

The breakthrough could revolutionize electric car battery technology and pave the way for ultra-fast charging electric vehicles in as little as two years. When the team tested the newly-coated cathode, they discovered it could be charged and discharged in as little as 9 seconds. by RSS or sign up by email. Herron makes a valid point.

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