This week, Heathrow Airport introduced a new form of transport that will look familiar to fans of mid-century science fiction: emission-free, battery operated personal transit pods.

BBC: The futurist: Heathrow??s personal transit pods

Its cutting-edge technology ensures that the B-Class Electric Drive is not only sustainable (because it offers local emission-free driving) and agile (because of its high torque and acceleration), but also fully networked.

ENGADGET: Mercedes-Benz introduces B-Class Electric Drive, we go eyes-on

"SunPower is offering Ford plug-in vehicle owners the world's most efficient solar power systems to ensure they maximize emission-free power generation for use at home and for their vehicles, " says Ken Fong, SunPower general manager, Americas.

ENGADGET: Ford teams up with Eaton, Whirlpool and SunPower to create MyEnergi Lifestyle, hopes to reduce everyone's CO2 footprint