HIROSHIMA, Japan, Oct 31, 2023 - (JCN Newswire) - Mazda Motor Corporation today announced that total production volume of rotary engine vehicles has surpassed two million units.* The rotary engine is an engine with a unique structure that uses rotational movement of triangular rotors to generate power. The first vehicle Mazda equipped with a rotary engine was the Mazda Cosmo Sport (Mazda 110S), introduced in 1967.