Westport and Volvo are demonstrating a 500-hp truck with diesel-like efficiency — one that also offers what Westport says is ...

Cummins officially pulled back the curtain on its 2027 X15 diesel engine at the ATA’s Technology & Maintenance Council (TMC) Annual Meeting in Nashville. The 15-liter 2027 X15 offers ratings of up to ...

Chinese EV giant BYD is rethinking plug-in hybrid packaging with its new “Heyuan” platform, ...

Mazda’s new Skyactiv-Z engine is shaping up as its most important combustion bet yet, and the next-gen CX-5 will be first in line to use it. Mazda has made it clear that combustion engines are still ...

A Texas-based company has successfully completed the initial flight tests of its new J85-powered ...

Nissan's hybrid strategy in the U.S. bounces between nonexistent and half-hearted. There have been a couple of feeble attempts to introduce versions for key models such as the Rogue or Altima over the ...

Japan's Kawasaki is selling an engine that burns up to 30% hydrogen to generate electricity. Discover the fast track to clean ...

In the lates 80s, VW's engineers faced a conundrum. The product planning department expressed the need for a compact six-cylinder engine that could be squeezed into a front-wheel-drive car.

Harley-Davidson's modern V-twin is called the Milwaukee-Eight, and it's offered in a choice of different displacements. But ...