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Automakers try to stop increase in ethanol limit to 15 percent of gasoline

Automakers are seeking to head off an EPA ruling that would allow gasoline to contain 15 percent ethanol, up from 10 percent now, and they've won some bipartisan congressional support. The two main automaker industry lobbies have argued that the U.S. Department of Energy has done insufficient testing to assure that gasoline containing up to 15 percent ethanol won't harm vehicles.

V6 dropped for redesigned Mazda 6 sedan

Mazda will drop the V6 engine from the Mazda 6 lineup, the company told Automotive News. Instead, the redesigned Mazda 6 will use powertrains from Mazda's Skyactiv technology bin, including direct-injection four-cylinder engines and ultra-efficient transmissions. “We believe that the balance of fuel economy and power that Skyactiv offers is what customers want,” a Mazda spokesman said.

2014 Land Rover LR4 goes supercharged V6, stop/start tech

Land Rover revealed the details of the 2014 Discovery on Tuesday. In the States we know the big SUV as the Land Rover LR4. A supercharged 3.0-liter V6 will replace the 5.0-liter V8 and an eight-speed ZF automatic transmission will replace the old six-speed.