Flight of fuel cells

Cobweb wires

Ecofriendly lubricants

Beaming with energy

Powering ahead

Roof Power

Cheaper than the sun

Full steam ahead

Geothermal power is sparkling clean

Trapping solar energy in space

Can solar power ever become a major source of energy?

Hybrid energy

Plug-in to Sun's power

Big investment

Burning bright

A new way of making biogas less polluting

Wonders of the Sun

Installation of solar panels have made life comfortable

Running on the right gas

Solar solution

Small is efficient

Eminently renewable

No economic reason for environment-friendly technologies, such as wind power, to be expensive

Black money

Economic concerns make the US promote unclean fuel

Of sunshine and oasis

A new solar pump brings water to the doorsteps of people living in remote areas

Twin talents

Power galore

India's wind power potential is greater than previously known

First solar funicular

Solar mobile phones

Back to basics

Every taluka in India can meet its own food, water and energy needs