What was the first car that was equipped with TTC in 1975 which includes the word that is Latin for "crown"?
Toyota TTC: Toyota TTC stands for Toyota Total Clean System, a moniker used in Japan to identify vehicles built with emission control technology. Toyota TTC:  The technology first appeared in January 1975 on the Toyota Crown, the Toyota Corona Mark II, the Toyota Corona, the Toyota Carina, the Toyota Corolla, and the Toyota Sprinter. Toyota Corona:  The word ""corona"" is Latin for "crown", a reference to an earlier vehicle Toyota offered called the Toyota Crown.
Toyota Corona