20 years of the pioneering Prius

20 years of the pioneering Prius: 'Prius' is based on Latin for 'to go before.' Since its launch in 1997 as the world's first mass-produced hybrid passenger vehicle, the Prius has endeavored to carve open a new era. This year, it celebrates its 20th anniversary.Toyota launches special website to commemorate 20th anniversary of the Prius. This site will be updated from time to time throughout the year.