How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...

Whirring strangely, a gleaming, otherwordly coupe backs carefully out of a garage filled with legends. The car keeps company with the greats — an Aston-Martin DB4, a Mercedes 300SL Gullwing, a Jaguar ...

Not in a racing machine, not with a sports car, not tucked away behind sharp-edged sheet metal; Mazda's rotary engine looks set to return, not as a warrior, but propelling another end to human driving ...

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, ...

In the wild and sometimes weird history of automobiles, few vehicles stand out quite like the Mazda Rotary Engine Pickup, or REPU. Produced for just four model years between 1974 and 1977, this ...