The longest-lived diesel still rolling out of factories is not a museum piece or a limited-run curiosity. It is a workhorse straight-six that has powered everything from farm trucks to modern ...

We may receive a commission on purchases made from links. Developed and patented by Rudolf Diesel, the diesel engine was designed to offer higher efficiency than the widely-used Otto gas engine, using ...

Gasoline and diesel engines feature many differences aside from fuel type. Compared to gasoline engines, a diesel is typically a lower-revving, torquier design, hence why it's often preferred over ...

Theo has dedicated his life to cars. He has studied the only Automotive Journalism course in the world located at Coventry University and describes this passion as a clinical obsession. Give Theo four ...

Cummins released details of its 2027 X15 diesel engine, which it says meets EPA 2027 emissions requirements while improving fuel economy — and without adding weight or using more diesel exhaust fluid.

Ford is one of the most respected American "Big Three" car brands, and in the 7.3 Power Stroke, it found itself an engine that similarly enjoys considerable prestige. The 7.3 arrived on the scene in ...