Mazda is developing two sports cars, including an RX-7 successor and next-gen MX-5. The rotary-powered model may debut next year with a range-extender hybrid powertrain. The upcoming MX-5 is still ...

The Goda Bankin AZ-1 uses the venerable 13B rotary engine, which is famous for powering many Mazda RX-7s across several generations. It uses rotors from the RX-8, upgraded fuel injection, and a Link ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...

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 ...

Mazda had made some outrageous cars throughout its history. Here are 11 that prove to be unique, even if they aren't all that great to drive.

How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...

In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...