Liebherr, a German-Swiss multinational equipment manufacturer based in Switzerland producing everything from fridges to heavy ...

Some diesel engines break the stereotype with surprisingly great sound. Here are eight of the best-sounding diesel engines that might just change your mind.

With a Texas oil show as a backdrop, Cummins showed off the new QSK38 V12 diesel that is Tier 2 emissions compliant and promises better fuel economy and quieter operation.

Audi has done many crazy things in the past, but putting a twin-turbocharged V12 diesel engine in the Audi R8 might take the ...

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