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Solar Water Heaters Now Mandatory In Hawaii

Solar Water Heater On Rooftop

Hawaii has become the first state to require solar water heaters in new homes. The bill was signed into law by Governor Linda Lingle, a Republican. It requires the energy-saving systems in homes starting in 2010. It prohibits issuing building permits for single-family homes that do not have solar water heaters. Hawaii relies on imported […]

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3 Reasons Light Rail is an Efficient Transportation Option for U.S. Cities

DART- Dallas Light Rail

Light rail is a type of electric railway that runs on right-of-way railroad tracks or on tracks in city streets. Using their own lanes and able to go anywhere, light rail cars mix well in urban settings by not getting caught up in traffic congestion. Though the United States operates the largest and most efficient […]

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Plug-In Hybrid Conversion Packs: 2008

A lithium-ion battery manufacturer, A123Systems, will begin marketing a kit in 2008 that will convert a regular hybrid car into a plug-in hybrid electric vehicle, as known as a PHEV. Currently priced at $10,000 (with a $3,500 tax credit), these modules are still expensive for the average car owner. For example, a commuter driving 11,000 […]

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LiFePO4 Batteries: A Breakthrough For Electric Vehicles

Lithion Ion Accumulator Battery

Note: If you looking for AA-sized LifePO4, you can find them here. Soon, we’ll probably be seeing Lithium Iron Phosphate (LiFePO4) batteries being used in most electric cars and bikes. This new battery type is set to dominate the market. Based upon lithium ion technology, LiFePO4 batteries offer many advantages over lithium cobalt dioxide (LiCoO2) […]

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