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Amazing Facts

7 amazing facts about energy efficiency

By the end of 2008 energy efficiency
had slashed United States energy
consumption (as measured per dollar of economic output) to half of
what it was in 1970, from 18,000 Btus to about 8,900 Btus; in one
year alone such investments are estimated to have generated
approximately 1.7 quads of energy savings.


U.S. energy consumption could be cut by 11% by
2020 through simple building efficiency measures
such as more efficient lighting, water heating, and appliances;
government analyses have found that achieving 50% energy savings
is possible for medium-sized retail buildings, which account for
18% of U.S. energy use.


Sales of Energy Star-qualified compact
fluorescent lights
(CFLs) nearly doubled last year; in
2007, 290 million CFLs (which use approximately 75% less energy)
were sold and now account for more than 20% of the U.S. light bulb
market; furthermore, LEDs now coming into the market use five
times less power than CFLs.


Energy efficiency improvements in the U.S.
electric power sector
could reduce the need for new
electric generation by an additional 7 to 11 percent more than
currently projected over the next two decades if key market,
regulatory, and consumer barriers can be addressed; already the
ratio of advanced meters to all installed meters has reached 4.7%
- a significant jump from the less than 1% in 2006.


Americans are now using public transit at
record levels
but if they used it at the same rate as
Europeans – for roughly 10% of their daily travel needs – the U.S.
could reduce its dependence on imported oil by more than 40%,
nearly equal to the 550 million barrels of crude oil imported from
Saudi Arabia each year.


Registrations of new hybrid vehicles
rose 38% to 350,289 in 2007 and should double to 5.3% of car sales
by 2012; if the U.S. switched to hybrid and plug-in electric
vehicles, it could halve its gasoline use by 2035.


Fuel cell and hydrogen technologies
continue to make inroads in the transportation and building
sectors; global sales of fuel cells rose 10% last year while nine
million tons of hydrogen are now being consumed annually in the
U.S.; General Motors plans to have 1,000 hydrogen fuel cell
vehicles on the road in California by 2014.

Related Tags: Energy  Power  
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