Electric cars and hydrogen fuel-cell vehicles may get a lot of attention, but every carmaker is still searching for ways to improve the fuel efficiency of internal-combustion engines. At its ...

The BMW 3 Series has captured the hearts and minds of automotive enthusiasts and journalists alike, and the attraction is due in no small part to the excellent engines housed beneath any 3 Series hood ...

Ever wondered which injectors are in your truck, what they look like, or even how they work? Throughout the progression of diesel injection systems, this component has gone from extremely simple to ...