Your gasaholic friends may not believe you, but feel free to tell them that diesels will soon be cleaner than current gasoline engines. It's not a trick-they'll have to be that clean if manufacturers ...

The 2.0-liter turbo diesel engine to be offered on the 2014 Chevrolet Cruze will be based on a design that General Motors Corp. offers several models of its Opel brand. A representative said the ...