Cold mornings have a way of exposing every weakness in a car. Batteries feel sluggish, engines sound rough, and drivers fall ...

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 ...

Heavy-duty pickups and long-haul trucks rely on torquey diesel engines that are more economical, reliable, durable, and have a more straightforward construction than a comparable unleaded gas engine.

On the coldest mornings, many drivers still rely on a long-idling ritual that feels comforting but quietly punishes their engines, wallets, and the air they breathe. Modern cars are built to handle ...