Pop the hood on a classic Mazda RX-7 or RX-8 and the engine bay looks oddly empty. That is the charm of the rotary engine: a compact lump of metal that trades pistons and valves for a spinning ...

Antonio is a chemical engineering student pursuing his master's degree in chemical engineering and sustainable processes. Throughout his academic journey, he has gained substantial knowledge in areas ...

Mazda has been building new parts for the original MX-5 Miata for a couple of years and even offers a full restoration service over in Japan. Now it's expanding the parts program to the RX-7, ...

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, ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...

The engine in question was the Wankel rotary, named after German engineer Felix Wankel, who first patented the concept in 1929. Instead of pistons moving back and forth, the rotary engine used a ...

The electric motor might carry the hype banner at the moment, but some minds remain convinced that there's plenty of innovation left to be extracted from internal combustion. AIE is one of the rotary ...

You're a master of all things LS. You completely understand the Ford FE big blocks. Those Honda B16 engines are no match for your knowledge base. At their core, these engines all behave the same way.

The Wankel rotary engine is known for its troubled life in the mainstream automotive industry, its high power-to-weight ratio, and the intoxicating buzz it makes at full tilt. Popular with die-hard ...

Got a burning question or simply need some advice with problems you’ve encountered while wrenching on your current/future projects? Ask our automotive guru Eric Hsu anything—literally, he’s going to ...

Mazda has confirmed that a plug-in hybrid electric (PHEV) version of its new MX-30 electric crossover SUV is coming to America, and it will use a gasoline-fueled rotary engine. Mazda pioneered the use ...