Delhi Chief Minister Sheila Dikshit on Thursday said that energy efficiency and renewable technologies would have to go hand-in-hand to overcome present power shortage. She appealed to all concerned persons in the Capital to ensure that Delhi emerged as the greenest city not only due to the greenery as a result of trees but also because of a paradigm shift towards greater use of green energy.

THAT'S NOT COUNTING the energy efficiency technology market aimed at reducing power consumption.

Virgin Atlantic head honcho Richard Branson made news with a flight powered by a mixture of traditional aviation fuel and biofuels made from nuts, including coconuts. Virgin Atlantic head honcho Richard Branson made news with a flight powered by a mixture of traditional aviation fuel and biofuels made from nuts, including coconuts. Photo

next time on the roads, don't scoff at the speed-breakers. They could actually light up small villages off the highway. An amateur innovator in Guwahati has developed a simple contraption

in yet another indictment of incineration technology, the waste-to-energy plant at Vijayawada recently stopped operations. There is now no functional incineration-based waste-to-energy plant in the

Energy: Could new techniques for producing ethanol make old-fashioned trees the biofuel of the future?