Search for better fuel economy drives automakers to offer more diesel engines

General Motors, Chrysler and Mazda to offer diesel models in 2013.


Diesel engines, which account for about 3 percent of U.S. vehicle sales, are about to get some help as General Motors Co., Chrysler Group LLC and Mazda Motor Corp. are all preparing to offer diesel models in 2013, expanding the choices available to U.S. drivers, according to Barron's. For the full story, click here. 

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