October 20, 2009 - by Lisa Sibley -
Engineering company NF Energy secures two patents for tech offering inlet
valve efficiencies at hydropower plants and preventing internal leakage, which can lead to energy reductions.
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June 19, 2009 - by Lisa Sibley -
Shenyang, China-based energy services company plans to provide Liaoning province with energy-efficient electrical lighting under new contract.
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