Tom Raftery's Library tagged "municipal transit" →  View Popular, Search in Google

"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."

ultracapacitors municipal transit biofuels lithium ion greenmonktv