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 ...

It's tempting to swap a carburetor for more modern electronic fuel injection. But while such a move can improve your car, it ...

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 ...

A retrofit system that converts diesel engines to operate on 90% hydrogen has been prototyped and tested by University of South Wales (UNSW) researchers. This system drastically reduces emissions of ...

Diesel engines are torquey and efficient powerhouses capable of outlasting a comparable gas engine. But despite their robust build quality and beefier internals, there are things to avoid if you have ...