Westport Fuel Systems recently unveiled its H 2 HPDI fuel system in a demonstrator truck. Westport’s HPDI fuel system technology enables heavy-duty trucks to operate on bio-methane (renewable natural ...

If you know diesel engines, you're already well acquainted with the name Cummins. The Indiana-based manufacturer has been a major player in the diesel realm for more than a century now and, at present ...

Cummins unveiled a 15L hydrogen engine at ACT Expo in Long Beach, California, May 9. Built on Cummins’ new fuel-agnostic platform announced earlier this year, it’s expected to go into full production ...

Understanding what twin turbos actually do, how they are configured, and where their efficiency gains are won or lost is ...

Electronic fuel injection is better for its efficiency, but installing it in a car that wasn't built for it requires ...

[Stay on top of transportation news: Get TTNews in your inbox.] Advanced researchers and engine makers say the internal combustion engine’s ability to be more efficient and run on greener fuels means ...

A driver heads for his cab, jumps in, belts up and hits the starter button. It’s only 10 degrees outside, but the engine fires almost immediately, and runs quietly while he warms it up. No fuel ...

The 11,000-horsepower, nitromethane-burning engine that powers a modern Top Fuel dragster is the very definition of controlled chaos, a cacophony of explosive elements and incredible forces delicately ...

In an effort to help meet more restrictive emissions standards, GM launched a technology in 2005 that deactivates engine cylinders during undemanding driving scenarios. Known by both Displacement on ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...