The JCB Hydromax, driven by retired RAF pilot Andy Green, averaged 406.320 mph (653.909 kph) at Utah's Bonneville Salt Flats on Aug. 11, becoming the fastest hydrogen-powered car in history. The previous record was 303 mph. Green, who broke the sound barrier on land in 1997, praised the vehicle's performance and reliability.
Hydrogen-powered car sets new land speed record
Source: Space