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

Texas-built Defender 90 gains legendary Mercedes OM617 diesel power and multi-fuel capability for extreme reliability.

"A jet engine is not that much different from an internal combustion engine in that it pushes the air in, squeezes it, ignites it and pushes it out.” Simon Lipscombe’s idiot-proof explanation of the ...