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 ...

NOTE: With this issue of HOT ROD, your Shop Series begins a slightly different and more comprehensive approach to the discussion of engine and vehicle basics. In the coming months, you'll find a frank ...

What makes a diesel engine different to a regular gas engine, and is one better than the other?

Horse Powertrain's suitcase-size internal combustion powertrains could be exactly what the industry needs. Matias Giannini explains. Horse Powertrain, a global supplier of powertrain systems, unveiled ...

Internal combustion might as well be wizardry to me. I have a basic idea of how engines work and I’ve been wrenching on them since I was a teenager, so I get the gist of it, but my feeble brain still ...