Pratt & Whitney has completed a fully digital assembly readiness review for its XA103 adaptive engine, a key step for the ...

Why did Wankel rotary snowmobile engines disappear? A look at Arctic Cat’s rise and fall with this once-promising technology.

Recently [Camden Bowen] took a swing at machining a two-stroke engine out of billet aluminium, following adventures in 3D ...

The latest reports, however, paint a different picture…again! I recently reported on a scoop from the Japanese publication, ...

COLORADO SPRINGS, Colo. (KOAA) — Queen Palmer Elementary School in southeast Colorado Springs was one of six schools to ...

Can a single rotor Miata exist without shaking itself apart? Can a single rotor Miata be even more fun to drive than its ...

MAT Industries, LLC has filed petitions with the U.S. Department of Commerce (“DOC”) and the U.S. International Trade Commission (“ITC”) seeking ...

The 1974 Mazda REPU was the world's only mass-produced rotary pickup truck, featuring a 1.3L Wankel engine with 110 hp and ...

Reports of the death of the internal combustion engine have been exaggerated. Electric vehicles were once poised to diminish the ubiquity of traditional engines, but automakers are booking huge losses ...

Jeff Thornburg helped turn a government research project into SpaceX’s most powerful rocket engine. Now, he’s trying to do the same thing at his startup Portal Space Systems, which is taking an idea ...

Mazda 13B rotary engine in a white Mazda RX-7 engine bay. - TTTNIS/Wikimedia Commons When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, ...