What You Need to Know About Energy (2008) / Chapter Skim
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Improving Efficiency
Improving Efficiency
Pages 20-23
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From page 20... ...
Similar progress is visible in nearly every sector of the economy as a result of independent technological breakthroughs, directed research, government mandates and incentives, consumer education, or a combination of these elements. CAFE STANDARDS One of the most impressive efficiency successes in modern memory is the result of the federal Corporate Average Fuel Economy (CAFE)
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From page 21... ...
, America's gasoline consumption would now be 14% higher than it is, or about 2.8 million barrels more per day. In December 2007, Congress passed an updated CAFE law mandating that new cars, SUVs, and light trucks together average 35 mpg by 2020, an increase of 40% from today's 25 mpg average.
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From page 22... ...
LEDs more than two-thirds in the energy consumed by the generate relatively little heat, last 100 times longer household refrigerator during the past 30 years. In than an incandescent lightbulb, and convert about 1974, the average consumption per unit was 1,800 25% to 35% of electrical energy to light, as opposed kilowatt-hours per year, and average sizes were to about 5% in a conventional incandescent bulb.
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From page 23... ...
Industry accounts for about 32% of all cannot solve all the nation's energy problems. energy consumption in the United States, and seven Multiple parallel efforts will be needed, and that energy-intensive industries use three-fourths of that recognition has prompted intense interest in a wide power.
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