An electric bicycle you don't have to plug in.
As solar power gets more affordable, we're finding it all the right places.
Battery-powered engine-and-prop unit can drop into water with a range of 32 miles.
We're all aglow this week with tech that glows.
Thanks to their solar plane, two Swiss pilots are set to fly around Earth -- slowly, very slowly, but surely -- on the strength of the sun alone.
From tattoo batteries to paint that powers a car, from floating solar farms to wires made from DNA, catch up on the year's most exciting energy news.
Falling oil prices left renewable energy’s immediate future in limbo, but solar power is expanding.
The proposed installation would deploy floating solar panels on the surface of a reservoir.
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