BBC's Horizons Program Reviews Renewable Energies for Public Transport
Watch elements from the BBC program Horizons relating to renewable energy being used for public transport, the use of seaweed to create biofuel and tapping into geo-thermal power.
http://www.bbc.com/specialfeatures/horizonsbusiness/seriesfour/episode-8-fuel-for-thought/

Nick Cross (CC BY-ND 2.0)