Toyota Mark X late 1960s. Instead of being based on a modified Supra chassis "A" series platform, the Mark X continues to use the Toyota "X" platform, and does not share its platform with the Toyota "S" series platform used under the Toyota Crown and the Lexus GS. The continuation of describing this vehicle as the "X" series is a reference to the first dedicated Mark II platform introduced in 1972. Major changes to the Mark series are the engine and footwork. Toyota discontinued the straight-six engines used in the Toyota Verossa, which included the JZ series and the G series engines, and
Toyota Fuel Cell Hybrid Vehicle-Advanced vehicles by mid-December 2014. The Mirai launched in the US on October 21, 2015. Toyota Fuel Cell Hybrid Vehicle-Advanced The Toyota Fuel Cell Hybrid Vehicle-Advanced (FCHV-adv) is a fuel cell vehicle based on the first generation Toyota FCHV. The proposed FCHV-adv uses four hydrogen fuel tanks, which store high-pressure compressed hydrogen at up to 70 MPa (10,153 psi/700 bar) and feed it into a fuel stack to produce electricity via a chemical reaction between hydrogen and oxygen. This electricity then powers an electric motor, capable of 90 kW (122 ps/121 hp) and 260 Nm (26.5 kgf/192 lb·ft) of torque, and