YOSHIKAZU TSUNO via Getty ImagesJapan's auto giant Toyota Motor and its subsidiary Hino Motors display the new electric trucks, a one-ton capacity and equipped with compartments to keep cool and frozen, in Tokyo on march 1, 2013. The EV truck, including its refrigator and freezer, is powered by Li-ion batteries, meaning it generates no emission during operation. Japan's delivery company Yamato Transport will start trial using of two EV trucks from middle of this month. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/Getty Images)