Dropping spark plugs in favour of compression ignition technology could be key to the rotary engine’s comeback. Mazda surprised everyone at last week's Tokyo motor show by confirming the return of the ...

After reciprocating, sliding vane compressors, also referred to as rotary vane compressors, are one of the oldest types of compressors. The first known description of a sliding vane pump was in a book ...

When Mazda committed to resurrecting the rotary engine in late 2015, it was clearly on the basis of having overcome the Wankel engine’s intrinsic efficiency, emissions and reliability issues. But how?

A German engineer, Felix Wankel, is credited with developing the world's first rotary engine in the 1950s. Wankel rotary engines use a triangular rotor spinning in a semi-oval case on an eccentric ...

Rolls-Royce made a diesel rotary engine with four rotors! It's as crazy as it sounds. Rolls Royce developed a diesel rotary engine for military applications. Because diesel engines require high ...