There is a small cohort of car lovers who have no use for engines with reciprocating pistons. They swear by the ‘rotaries’, autos driven by motors based on the invention of the German engineer Felix Wankel. One of the most famous of these was the iconic Mazda Cosmo and nobody knows this Ur-Wankel better than Senji Hoshino. (Stefan Grundhoff, Jessica Fischer , 19.02.2012)