The internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons rising and falling, a crankshaft spinning, a steam-age architecture ...

Justin Cupler has been a member of the TopSpeed team since 2012. Justin's love for cars started back when he was just five years old, helping his dad work on his 1957 Chevy Bell Air and then his 1966 ...

It rose to prominence in the Mazda RX-7 model line, but the last new car feature one was the Mazda RX-8. Since then, Mazda has been continually developing the technology with the aim of bringing it ...

The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.

You hear endless myths about the Mazda RX-7, from breathless praise of its “magic” to horror stories about blown apex seals.

The traditional piston engine has garnered the vast majority of attention and application in the internal combustion age, but there was another: the Wankel rotary engine. German engineer Felix Wankel ...

Over-the-top rotary builds are an enthusiast tradition. Because so few rotary cars have been made, the limits of the engine type haven't been fully exploited by automakers. It's been tuners who have ...

The Mazda MX-30 is a compact electric SUV with some issues. The big one is range, specifically that there isn't enough of it, as the paltry 35.5-kWh battery only offers an EPA-estimated 100 miles on a ...

It's anyone's guess how or why Mazda thought it was a good application for its famed rotary engine. Mazda’s MX-30 has one of the shortest ranges of any EV on the market, with an EPA-estimated range of ...

This file type includes high resolution graphics and schematics when applicable. Automotive engineers are concerned with weight-to-power ratios when designing vehicles. While light-weighting is a ...

Wankel rotary engines, typically but not exclusively found in Mazdas, certainly lean on the "quirkier" side of modern powertrain systems, made quirkier because most rotary-powered cars on the road ...

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 ...