Both Cummins and Ford offer 6.7-liter diesel engines. They share a few similarities, but those don't go much further than their displacements.

Inline-six engines are well-balanced, and they have a great history of being reliable. Four engines in particular are ...

You might find a smaller diesel engine in a lawnmower, but this is as small as it gets in a passenger vehicle.

It's no secret that diesel engines aren't nearly as popular in the U.S. as they are in Europe and other markets. Reasons for this range from the disaster that was GM's attempt at diesel engines in the ...