Cold mornings have a way of exposing every weakness in a car. Batteries feel sluggish, engines sound rough, and drivers fall back on habits that seem protective but can quietly shorten an engine’s ...

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.

A car that struggles to start (especially in cold conditions or after sitting) often points to issues beyond the usual battery or ignition suspects. Once those basics have been checked, the problem ...