Since the invention of one of the earliest practical cars, the Motorwagen, over a century ago, most vehicles have relied on internal combustion engines. This technology combines fuel and air to ...

If there's one thing forever associated with the Wankel rotary engine, it's Mazda. Powering production vehicles from the Cosmo's launch in May 1967 to the last RX-8 leaving the plant in June 2012, the ...