With the incorporation of higher quality interior materials and design, longitudinally-mounted inline-six-cylinder turbocharged engines and the traditional front ...

The rotary engine, once heralded as a revolutionary alternative to traditional piston engines, has experienced a tumultuous journey through the annals of automotive history. Despite its decline in ...

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

In the late 1960s, when most sedans still looked and drove like rolling conservatism, NSU put a radical four-door on the road ...

Chris Bruce has worked in the automotive industry since 2011 and has written thousands of stories about cars, motorsports, and motorcycles in that time. He has written for Autoblog, Autoviva, CarFax, ...

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

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 ...

Click to open image viewer. The first successful rotary engine is generally attributed to the American F.O. Farwell in 1896; but the French Gnome, developed by the Seguin brothers, was much more ...

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 ...

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...