In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

It's as crazy as it sounds. Rolls Royce developed a diesel rotary engine for military applications. Because diesel engines require high compression ratios for compression ignition to occur, they used ...

How Mazda's engineers doubled down on rotary power when everyone else gave up, creating a 30-year legend in the process.

Pickup trucks have long been defined by their durability, torque, and purpose-built utility. From worksite staples to off-road rigs, trucks traditionally rely on torquey inline-fours, V6s, or V8s to ...

Mazda made a splash in the market in 1990, launching the Eunos Cosmo with the three-rotor 20B engine. Compared with contemporary Wankel rotary engines, the 20B's extra rotor beefed the compact ...

There are three certainties in life: death, taxes, and Mazda’s obsession with the rotary engine. No matter how market trends change, how regulations tighten, or how quickly electrification advances, ...

Almost every internal combustion vehicle on the planet today uses the classic piston engine. These run by converting heat energy into reciprocating motion, and then rotary motion that ultimately ...

The Wankel rotary engine offers one of the most unique sounds of any ICE. Most famously used in various legendary Mazdas like the RX-7 and the supposedly banned Le ...

Could the small-block Chevy be the most popular engine-build that HOT ROD has covered over its 77-year history? We don’t have a running tally, but in our expert guesstimate, that is probably true. So ...

The Mazda RX-8 has always had a cult following, but the rotary engine can scare off buyers who want something simpler to live with. That’s exactly why swaps like this exist. A V6-swapped RX-8 ...

One of the first major automotive shows covered globally is the Tokyo Auto Salon, annually held in January. It serves as the opening salvo that the new year has begun for auto enthusiasts. Given the ...