Green Tech
  • Toyota is testing car safety systems that allow vehicles to communicate with each other and with the roads they are on in a just completed facility in Japan the size of three baseball stadiums.

    LAST UPDATE : Dec 12, 2012, 11:30 AM EST
  •  In a big-city mayor's bid to spur colleagues to think boldly around the country, 20 cities are finalists in a $9 million urban-innovation contest created by Mayor Michael Bloomberg.

    LAST UPDATE : Dec 11, 2012, 10:30 PM EST