The Hercules W-2000 was the world's first production Wankel motorcycle — and a commercial flop. Here's why the rotary ...

The Wankel engine powered the Mazda RX-7 to fame, but other pistonless rotary designs reveal why the category is broader than ...

A few years ago, the idea of using hundreds of small engines to power gigawatts of data-center capacity would have seemed ridiculous. Not so today. More hyperscalers are seeking to hook their data ...

When it comes to engines, the Wankel rotary is one of the lightest and smallest there is, not to mention it’s simpler than a standard piston engine. It features a spinning-triangle design that ...

Jack Hubbell is a European based writer and automotive enthusiast who joined the HotCars team in 2024. Jack has been building cars and motorcycles since a young age and was a member of the SCCA from ...

A hydrogen-fuelled reciprocating engine is an internal combustion engine adapted to burn hydrogen instead of—or in combination with—conventional gaseous fuels to produce mechanical power that drives ...

A type of engine that reimagines traditional combustion technology, achieving improved efficiency and reduced vibration by eliminating heavy valvetrains. An initiative featuring a vehicle powered by ...