影像來源/ OPPOSITE PAGE: RYAN McVAY Getty Images (door handle); RICHARD B. LEVINE Newscom (GM fuel cell); ALINA NOVOPASHINA Corbis (recharging plug); ROGER T. SCHMIDT Getty Images (tire); PETER DAZELEY Getty Images (fuel gauge); GETTY IMAGES (hybrid engine); FRANK MUCKENHEIM Corbis (start button); JAMES LEYNSE Corbis (no gas symbol); BRUCE BENEDICT Coris (headlight); CORBIS (hybrid engine); THIS PAGE: COURTESY OF GM CORP. (Burns); COURTESY OF TOYOTA (Reinert); COURTESY OF ELECTRIC POWER RESEARCH INSTITUTE (Duvall): COURTESY OF TESLA MOTORS (Straubel)
