Liquid battery could charge green energy

Engineering professor Donald Sadoway on Thursday used an old-school chalk board at the prestigious TED gathering to write the formula for a liquid battery that could one day cut the need for new power plants.

There's money to be saved in solar

A series of solar panels on the roof converts the sun's rays to electricity, the electricity then flows through cables to the circuit breaker, where it's consumed in the building. The result -- a reduction in energy costs.

Review: A solar home isn't for everyone

As someone who considers himself an environmentalist, I'd love to get a solar array for my home. But I'm finding that it may not make a lot of sense - at least right now. My wife and I drive fairly fuel-efficient cars. Our ...

Cheaper Solar Power's Time Has Come

(PhysOrg.com) -- Solar power manufacturers in the US are cutting prices to shift their stock, the government is chipping in with tax credits, and innovative leasing or financing arrangements spreading payments over up to ...

Water heaters put solar energy within reach

Andrei Mitran of Cary says he has no desire to live "off the grid." But when choosing a replacement for his 18-year-old hot water heater, the computer programmer says he decided to look into purchasing a solar unit.

Philippines turns trash into clean energy windfall

Teresita Mabignay does her ironing using free electricity on the slope of a garbage dump, an unlikely beneficiary of efforts to turn the Philippines' growing rubbish problems into a clean-energy windfall.

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