GM Returns to U.S. Diesel Car Market

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The Cutlass Supreme diesel failed, Bell said, because "GM took existing engines and tried to modify them" for diesel. In reality, the engine must be thicker and stronger because "the combustion process for diesel is much more violent than for gasoline; the compression ratio is much higher."

This time, GM thinks it got diesel right.

-- Written by Ted Reed in Charlotte, N.C.

>To contact the writer of this article, click here: Ted Reed