Dimpled pistons might sound strange, but some say they could be the future for diesel power. We've looked at the arguments ...

Could diesel particulate filter (DPF) regenerations become a thing of the past? A Southern California startup that is gaining the attention of OEMs believes it’s possible. For the past few years in ...

High-output engines live in a world of brutal cylinder pressures, extreme temperatures and razor-thin safety margins, and the humble piston sits at the center of that storm. When power levels climb, ...

Rudolf Diesel developed the engine technology that bears his name in the late 19th Century. Since then, diesel engines have become popular for their reliable and efficient operation and long life.

What is a 5.9-liter Cummins diesel engine? Well, for hardcore enthusiasts, it's arguably one of the most popular oil-burners ever produced. Cummins engines were dominant in agriculture long before ...