We meet the engineering gurus who put this unique philosophy into practice Webevery model is put through merciless testing processes designed to improve durability. It’s all part of mazda’s invigorated vision for sustainable car making—and things just got. Webthis ambitious strategy involves the comprehensive optimization of mazda's base technologies, which determine the core performance of its vehicles, and the progressive. Webintroducing the people, factory, and vision behind the ongoing production of mazda rotary engines. It’s half past eight in a dimly lit factory in hiroshima, japan, one morning in. Websubaru corporation (subaru), toyota motor corporation (toyota), and mazda motor corporation (mazda) have each committed to developing new engines.