Related topics: energy

NTT DoCoMo plans green-energy cellphone masts

Japan's largest mobile phone operator, NTT DoCoMo, plans to start powering its cellphone tower network with renewable energy such as solar, wind or biomass, the company said Friday.

India's rural poor give up on power grid, go solar

(AP) -- Boommi Gowda used to fear the night. Her vision fogged by glaucoma, she could not see by just the dim glow of a kerosene lamp, so she avoided going outside where king cobras slithered freely and tigers carried off ...

Power grid change may disrupt clocks

A yearlong experiment with the nation's electric grid could mess up traffic lights, security systems and some computers - and make plug-in clocks and appliances like programmable coffeemakers run up to 20 minutes fast.

Getting ready for the next big solar storm

(PhysOrg.com) -- In Sept. 1859, on the eve of a below-average1 solar cycle, the sun unleashed one of the most powerful storms in centuries. The underlying flare was so unusual, researchers still aren't sure how to categorize ...

One million Bangladesh homes on solar power

The number of households in electricity-starved Bangladesh using solar panels has crossed the one million mark -- the fastest expansion of solar use in the world, officials said Wednesday.

The heat is on for sodium-manganese oxide rechargeable batteries

(PhysOrg.com) -- By adding the right amount of heat, researchers have developed a method that improves the electrical capacity and recharging lifetime of sodium ion rechargeable batteries, which could be a cheaper alternative ...

New battery design could give electric vehicles a jolt

A radically new approach to the design of batteries, developed by researchers at MIT, could provide a lightweight and inexpensive alternative to existing batteries for electric vehicles and the power grid. The technology ...

page 33 from 40