Mazda Technology: A sport sedan and coupe launched in September 1971, with the type 10A rotary engine. In 1972 the fully automatic transmission version, the Sport Wagon, was introduced as the world's first rotary engine wagon. The GT, with its 12A rotary engine and 5-speed manual transmission, was also added. A variety of sport-kits were prepared and contributed to many successful races. In 1973, the AP, with its anti-pollution package, was added. In 1975, the REAPS rotary engine, which achieved lower emissions and better fuel economy, was introduced.