GM becomes first domestic to sell 1M vehicles rated at 30mpg or better

Sales of fuel-efficient GM models were way up in 2012.

General Motors says it sold more than 1 million vehicles rated at 30mpg or higher by the EPA in 2012, marking the first time in history that a domestic automaker has achieved that milestone.

"Our investments in advanced powertrains are clearly paying off, and our smaller vehicles are resonating with customers,” said Mark Reuss, president of GM North America.

GM's vehicle lineup currently has 13 different models that get 30mpg or better on the highway, including the new Cadillac ATS and Chevrolet Spark. The plug-in Chevrolet Volt is the most efficient vehicle in the GM fold, offering up to 98 mpg/e on the highway.

The widespread adoption of fuel-efficient four-cylinder engines was a main driver behind GM's 30mpg+ sales success. Last year about 40 percent of GM's vehicles by sales volume were powered by four-cylinders, up 10 percent from just two years ago.

GM should be able to match the feat again in 2013. This year will see the launch of the 33mpg Buick Encore, the Cadillac ELR extended-range electric vehicle, a hybrid version of the all-new 2014 Chevy Impala and a new Chevrolet Cruze model powered by a 2.0L clean diesel.

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