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 and ...

Gas stations have offered different types of gas for decades. There's a widespread belief that high octane gas can clean your engine, but is it true?

When you think of Cummins engines, you probably think of big, powerful diesel motors. The engine manufacturer is shifting away from the diesel image, though, at least a little bit. The 107-year-old ...

Unlike many Chevy trucks, the Corvette never offered a diesel engine. These insane builds are what happens when you stuff an ...