Besides preventing the build-up of nasty engine sludge and premature wear, protection against cold starts is one of the main reasons why you should never skip an oil change in your gasoline or diesel ...

Investments in clean-burning combustion engines are picking up, as VCs bet that batteries and exotic fuels like hydrogen won’t be the end of the story for powering automobiles. The latest is Achates ...

WASHINGTON (Reuters) - Germany's BMW AG , the world's largest maker of luxury vehicles, will supply more than 240,000 diesel engines to a green-economy start-up planning to build fuel efficient police ...