Rebates to cut price of $60 LED bulb

(AP) -- How much would you pay for an amazing, state-of-the-art light bulb? Shoppers will be asking themselves that very question at Home Depot and other outlets starting Sunday - Earth Day - when the bulb that won a $10 ...

German greenhouse gas emissions rose in 2012

Germany saw increased emissions in greenhouse gases last year due to more coal and gas usage while the country seeks to develop its renewable energy sources, officials said Monday.

The winners and losers in Tesla's battery plan for the home

Tesla's plans to use its new battery storage system to power homes will provide households with more opportunities to reduce bills. But it will also cause headaches for the electricity distribution companies.

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