http://www.technologyreview.com/energy/23754/
Next Stop: Ultracapacitor Buses A U.S.-Chinese venture is out to prove the benefits of quick-charge buses. By Tyler Hamilton Monday, October 19, 2009 Municipal transit agencies have tried to reduce the carbon footprint of their bus fleets using a range of options over the years, from biofuels and hydrogen to batteries and hybrid-electric diesel. Now a Chinese company and its U.S. partner say that ultracapacitors could offer the greenest and most economical way of powering inner-city buses. <more>
