As the United States marks its 250th anniversary, WTOP presents “250 Years of America,” a multipart series examining the innovations, breakthroughs and pivotal moments that have shaped the nation ...

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 ...

Camshafts are one of the most confusing components in an internal combustion engine. What makes those lumpy bumpsticks even more confounding is the sheer number of grinds available, and then multiply ...

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 ...

The rotary engine makes a comeback for cars and drones as gasoline gains popularity as a complement to electric motors.

Formula 1 is preparing a significant engine adjustment for 2027, with the FIA weighing a shift in the balance between ...

PHINIA highlights hydrogen combustion technology and fuel systems at ACT Expo 2026, focusing on practical emissions reduction ...