TfL sign deal to secure solar energy supply for 15 years
Transport for London (TfL) has entered into a 15-year Power Purchase Agreement (PPA) with EDF Renewables UK to supply renewable electricity from a new solar farm in Longfield, Essex.
New sodium fuel cell could revolutionise electric transport
Researchers at MIT have developed a low cost fuel cell that, in tests, has proved able to carry there times as much energy as a lithium-ion battery, a potentially seismic development for electric transport.