Adelaide's Solar Buses Could Be the World's Greenest Public Transports

Australia has wholeheartedly embraced solar power over the last few years, with usage exploding 10-fold between 2009 and 2011 and the price per watt falling to less than half that of grid power. Now, the southern Australian city of Adelaide is taking the unprecedented step of powering its public transit system solely… » 9/17/13 11:40am 9/17/13 11:40am