Japan's auto maker Mazda president Takashi Yamanouchi displays the new 2.0-litter direct injection engine for the new Axala compact sedan, known as the Mazda3, in Tokyo on June 11, 2009. Axela features the new engine start/stop system at the idling, which provides 15 percent better fuel efficiency and reduces engine noise and vibration, and to restart engine in 0.35 seconds. Getty Images logo Getty Images 5 months ago

Japan's auto maker Mazda president Takashi Yamanouchi displays the new 2.0-litter direct injection engine for the new Axala compact sedan, known as the Mazda3, in Tokyo on June 11, 2009. Axela features the new engine start/stop system at the idling, which provides 15 percent better fuel efficiency and reduces engine noise and vibration, and to restart engine in 0.35 seconds.