The Chevrolet Silverado HD — and its corporate twin in the GMC Sierra HD — can be had with either a standard 6.6-liter ...

The Napier is a complicated extrapolation of a basic opposed-piston engine. Your average “engine” has cylinders and pistons ...

A naturally aspirated four-cylinder VW engine will give the Traveler SUV and Terra pickup truck 500 miles of range, Scout ...

We knew Scout’s upcoming Traveler SUV and Terra pickup EVs would include an option for a range-extending gasoline engine, now ...