REFILE-INSIGHT-In green car race, Toyota adds muscle with fuel-cell launch
April 17, 2014 at 05:00 AM EDT
TOYOTA CITY, Japan/IRVINE, Calif., April 17 (Reuters) - In 1997, Toyota caught its competitors by surprise with the revolutionary Prius, the first commercially successful gasoline-electric hybrid car. Now, the Japanese firm is trying to do the same with a technology that seems straight out of science fiction.