The automotive community has a love-hate relationship with diesel engines. Volkswagen's Dieselgate scandal left a bitter taste in a lot of people's mouths, but there's also the overall dirty nature of ...

Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram ...

For a long time in the U.S. car market, bigger was better. From engines to bodywork, size meant luxury and performance. But recently, manufacturers and customers alike have got used to a new concept: ...

Customers may be impressed with the fuel economy provided by either a four-cylinder or a diesel engine, but they may not be bowled over by the acoustic properties. To reduce -- or in some cases, ...