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

The Cadillac Escalade exudes elegance, but what would it take to add a hearty dose of intimidation to the mix? This custom Escalade diesel aims to find out.

ReVolt said it will bring a Peterbilt 379 retrofit with a hybrid drivetrain to the Mid-America Trucking Show in March.

The all-new 6.7-liter Cummins High-Output Turbo Diesel is rated at 430 horsepower and 1,075 lb.-ft. of torque. A redesigned block and head, robust heavy-duty pistons, new performance intake manifold, ...