Unveiled in 2015 then confirmed and denied too many times by Mazda’s upper echelons as the RX-9 rotary sports car, the RX-Vision is a bite-the-back-of-your-hand beautiful concept. Four years since it ...

The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

Mazda spent decades turning the rotary engine from a quirky engineering idea into a cultural touchstone, from early RX coupes ...

The new and improved always prevails over the old and stale, doesn’t it? Surely the ancient contraption called an internal combustion reciprocating piston engine – a design that is approaching its 150 ...

Bruno started at Top Speed in 2022 and now serves as Senior Editor for ICE while also training writers across CarBuzz, HotCars, and TopSpeed. A car and motorcycle enthusiast, he enjoys writing about ...

September 15, 2004There is no other motor as efficient as the Di Pietro Rotary Air Engine. It is 100% more efficient than any other air powered engine built to date and its high torque makes it the ...

Every few weeks I receive word at the office that some tinkering genius has revolutionized the internal-combustion engine. These notices arrive on pages still smelling of Damascus lightning, and ...

Here is an interesting design concept from designer Mark Miller, the Touchscreen Rotary Phone. The Touchscreen Rotary Phone merges an old design with new technology to bring us this stunning concept ...

Operating companies continually seek new technologies to drill laterals and extended reach wells further, more efficiently and at lower cost. Even with higher oil and gas prices, the challenge to ...

In the course of AppleInsider's proprietary investigation into the iPod Hi-Fi and iPod Boombox trademarks, it came upon a patent filed overseas for a unique mouse design that sports a rotary dial. The ...