GM debuts 9-speed automatic, offering 2-percent efficiency improvement

GM 9-speed automatic transmissionIn order to meet stricter emissions standards, automakers are scrambling for any efficiency gain they can get in internal-combustion engines and powertrains. One of the most popular options for increasing efficiency is transmissions with a greater number of gears. Where 6-speed transmissions were once considered more than adequate, now seven...

Why one Finnish city thinks it’s ideal for next Tesla Gigafactory

Rendering of Tesla battery gigafactory outside Reno, Nevada, Sep 2014The Tesla "gigafactory" near Reno, Nevada, is already billed as the largest lithium-ion battery cell plant in the world. But Tesla has discussed plans for at least one additional gigafactory, presumably to meet demand for battery cells related to large-scale electric-car production outside the U.S. One Finnish city is now making an official bid...

Modern electric cars at 20: from EV1 to Bolt EV, where are we now?

1996 General Motors EV1Twenty years ago today, the very first GM EV1 electric cars were delivered to 40 lessees in California in a blaze of publicity. Since then, plug-in electric vehicles have seen more than their share of ups and downs. That first EV1 was a high-tech two-seater created specifically to meet California's then-current zero-emission vehicle rules...

Is ethanol-free gasoline heading for the end of the road?

Non-ethanol gasoline pumpThe U.S. Environmental Protection Agency (EPA) is struggling with Congress and various corporate interests over the amount of ethanol that will be blended into the U.S. fuel supply. The Renewable Fuel Standard in place since 2007 calls for specific volumes of ethanol, but critics have tried to cap that amount while the EPA has tried to maintain or...

Audi e-tron vs Jaguar I-Pace vs Mercedes EQ: electric luxury SUVs compared

Mercedes-Benz Generation EQ concept, 2016 Paris auto showAfter sales of 150,000 or more electric luxury cars from Tesla Motors over four years, the first major wave of long-range electric cars from established luxury automakers is now on the way. So far, it seems the first of these vehicles will not be sedans that compete with the Tesla Model S, but crossovers apparently targeting the Silicon Valley...

Carmakers howl about CAFE rules, but regularly beat them; why?

Gas pumpThis week, the U.S. Environmental Protection Agency (EPA) said it would maintain current Corporate Average Fuel Economy (CAFE) standards for 2022 to 2025. The decision was praised by environmental groups, but likely won't receive as warm a reception from the industry. CAFE standards are up for a midterm review, and auto-industry lobbyists spent...