Two-stroke engines have their uses, but they are seen as environmentally unfriendly today. But why do they have that reputation, and is it deserved?

His early career comprised writing about pre- and post-war classic cars, as well as late-model performance diesel trucks.

If you drive a diesel car or truck, you've probably bumped into the term biodiesel. Like most owners, you probably first saw the term biodiesel on the pump (as a mix for ultra-low-sulfur diesel) – and ...

Ford began installing 7.3-liter diesel engines, developed in conjunction with Navistar International, in its trucks in 1988. That first version featured indirect fuel injection, or IDI, and laid the ...

Anyone who appreciates simplicity of design and efficiency of operation has to like small two-stroke-cycle engines that power construction tools such as cut-off saws, rammers and breakers. Producing ...

Add Yahoo as a preferred source to see more of our stories on Google. WinGD’s new ethanol engine uses technology from its X‑DF-M methanol-fuelled model (Leonid Sorokin/Shutterstock.com.) WinGD, a ...

The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way. Honda pioneered oval piston technology in the 1970s for four-stroke racing ...

We've seen some mad Hayabusa custom bikes over the years, but this one's right out of the box. It ditches the original engine for a massive two-stroke V6, but Meggatech Projects plans to make it look ...