Turbocharged engines can be great at boosting performance and efficiency, but in life, as in economics, there's no such thing as a free lunch. In other words, benefits like those come with a cost, ...

Many car owners think oil only fails when the miles rack up. Wrong. Even when your ride sits for months, oil ages and degrade. Factors like exposure to condensation, temperature swings, and ...

Miller cycle engines -- like those once used by Mazda -- make less power more efficiently by holding the intake valve open ...

The automatic transmission has evolved from the standard step-type automatic to dual clutches (DCT) and CVTs (continuously variable transmissions). Still, they all share a complex maze of electrical, ...