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 ...

You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

Sleeving is more expensive than boring an engine block, but especially for aluminum blocks, sleeves may be better able to ...

What is it like to live with the battery-powered Stark Varg EX dual sport? We spent six months with one, riding it on various ...

Most of the internal combustion piston engines built for vehicles throughout history have pretty familiar core designs. The ...

After a decade away from street car competitions, five-time Drag Week winner Larry Larson is returning to the streets with ...

The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

In 2025, Yamaha celebrates 70 years as a motorcycle manufacturer. Its first product was the YA-1, a machine that bore the ...

It didn't have to be that way, however, as Chevrolet developed an engine that would have beaten a Hemi car any day of the ...

Well, the name Ligier first appeared in Autocar in March 1964, on the entry list for the forthcoming Le Mans 24 Hours.

But this 2005 Ford F-250 Super Duty got a second chance at life after its Triton 5.4-liter V8 gave up the ghost. Instead of ...