We look at why Mazda introduced the three-rotor 20B Wankel rotary engine, and why it only ever saw service in the Cosmo coupe ...

View post: This 'Easy to Use' Tire Inflator That ‘Works Perfectly’ on All Sorts of Tires Is Now Only $15 Another day, another Mazda rotary engine story, except this time, it’s from the automaker ...

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, ...

The 1970s were full of strange automotive experiments, but few were as unlikely as a compact Japanese pickup powered by a screaming rotary engine. Mazda’s Rotary Engine Pickup, better known as the ...