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U.S. seeks 5 percent annual fuel-economy gains through 2016

The Obama administration today proposed gasoline mileage and greenhouse-gas pollution standards for new vehicles for model years 2012 to 2015, filling in the blanks for manufacturers en route to a 35.5 mpg national target in 2016. The Transportation Department and EPA proposal calls for fuel economy to increase by about 5 percent each year, starting from an average of 27.3 mpg for the 2011 model year, the agencies said in a statement. The average car buyer would save more than $3,000 in fuel costs over the life of a vehicle, the statement said.

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.

Chevrolet Spark subcompact goes teen idol, but 'dubs' not standard

If ever there was a car built for 16-year-olds, the 2013 Chevy Spark is it. It comes standard with a team of electronic nannies, more infotainment than Saturday-morning television and a length that's a full three feet shorter than the Cruze and one foot shorter than the diminutive Honda Fit. “We listened to what young people said they wanted in a car.