American performance has always been defined as much by its engines as by its sheet metal. From small-block V8s to high-revving modern powerplants, the country’s most influential motors shaped racing, ...

If there's one thing the American automotive industry is probably best known for, it's engines. Big ones, too, with plenty of classic, high-speed muscle cars from the 1960s sporting 400 cubic-inch V8s ...

Westport is debuting its high-pressure CNG fuel system with Cespira HPDI technology on a Volvo VNL 300 at ACT Expo. Another high-horsepower natural-gas engine system may soon be available from ...

New study shows that an overwhelming 61% of consumers would still pick an internal combustion engine for their next car, and here’s why. There was a point in time not very long ago when everyone was ...