The Cummins 5.9-liter diesel engine has powered Ram trucks since 1989. It went through a few changes over its lifespan, but ...

Less fuel and emissions, more power, higher revs. EcoMotors' OPOC engine promised it all. Investors, including Bill Gates, ...

Cummins stock jumped Tuesday after the diesel engine maker posted solid fourth-quarter results and an equally solid outlook ...

Liberty Energy Inc. and Cummins Inc. are deploying the natural gas large displacement engine developed in a partnership ...

COLUMBUS, Ind. — Cummins Inc. (NYSE: CMI) and Liberty Energy Inc. (NYSE: LBRT) (“Liberty”) today announced that the ...