The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...