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Quote:
Published:6/1/2008
Submitted by:Frank K 54 days ago
Categories: Energy Efficiency & Transportation
Quote Details:  Each 5 mph you drive over 60 mph is like paying an additional $0.30 per gallon for gas (assuming average fuel cost of $4.08 per gallon).
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Article:
Published:2/27/2008
Submitted by:Frank K 168 days ago
Categories: Energy & Energy Efficiency
Article Details:   Semiconductor light emitting diodes (LEDs) are finally on the verge of having the capability to radically alter the entire lighting landscape with staggering improvements in both lighting efficiency and efficacy. LEDs have already achieved 100 lumens per watt, with 200 visible. Incandescent bulbs yield some 15 lumens a watt, CFLs about 80. LEDs last 50,000, and soon 100,000, hours.