Overall, this modern diesel brings a new level of fuel efficiency to the Grand Cherokee ... the gasoline version has been well below average. Best version to get. The diesel is available only ...

Energy Vision report finds RNG-powered trucks, not electric vehicles, are best option for replacing aging heavy diesel trucks ...

Called the B6.7 Octane, Cummins' first gas engine is a turbocharged 6.7-liter inline-six that runs on 87-octane gasoline. Output ranges from 200 horsepower and 600 pound-feet of torque to 300 hp ...