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  3. The federal automobile efficiency standards announced this week are an important step on America’s path to a lower-carbon and mo

The federal automobile efficiency standards announced this week are an important step on America’s path to a lower-carbon and mo

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问题     The federal automobile efficiency standards announced this week are an important step on America’s path to a lower-carbon and more-secure energy future. They are expected to yield multiple benefits: reduced dependence on foreign oil, fewer greenhouse gas emissions, consumer savings at the pump and a more competitive auto industry. They may also serve as proof that well-tailored government regulation can achieve positive results and that consensus among old enemies—in this case environmentalists and the car companies—is possible even at a time of partisan(党派的)disagreement.
    The standards build on a 2009 agreement that established a unified set of rules governing fuel economy and carbon dioxide pollution from automobiles and light trucks. Those rules covered model years 2012-16; the new rules cover 2017 to 2025. Taken together, the two sets of rules would increase fuel efficiency from today’s average of about 29 miles per gallon to 54. 5 miles per gallon when they are fully effective in 2025. This is expected to result in a cut of 40 percent to 50 percent in fuel consumption and roughly equivalent cuts in greenhouse gas emissions.
    The White House says the rules would reduce oil consumption by two million barrels a day by 2025; the nation now consumes 19 million barrels a day and imports just less than half that amount. And while fuel-efficient cars will cost more initially, lower fuel use is expected to save consumers up to $8,000 over the life of their vehicles.
    The battle for greater fuel economy goes back years and involved many players; California, which in 2002 passed its own law regulating greenhouse gas emissions from vehicles sold there; environmentalists, who pressured the Environmental Protection Agency to impose similar rules nationwide; the Supreme Court, which in 2007 authorized the agency to move forward; and Congress, which ordered the Department of Transportation to update fuel economy standards that had been largely untouched since 1975. President Obama’s contribution was to bring about a consensus among the agencies, the states, the automakers and the interest groups on federal and state standards that reduced fuel use and gave industry the regulatory certainty it needed to move forward.
    It is a model of public-private cooperation. Even so, the Romney campaign has called the rules "extreme" and House Republicans have threatened to roll them back. That would be a grave harm to consumers, the auto companies, the economy and the planet.
What is President Obama’s contribution to greater fuel economy?
选项 A、To help establish a public-private cooperation.
B、To set law regulating greenhouse gas emissions.
C、To order the Congress to update fuel economy standards.
D、To impose rules set by California nationwide.
答案A
解析 事实细节题。奥巴马总统在这方面的贡献就是在各个机构、州、汽车制造商以及利益团体之间促成了有关联邦标准和州标准的一致意见，而这个最终的成果既牵涉到国家机构，也包含了私人企业等，故A)“帮助建立了公私之间的合作”为本题答案。B)“设定调控温室气体排放的法律”和C)“命令国会提高燃油经济性标准”没有在原文中体现，故排除；D)“在全国强制推行加利福尼亚州制定的法规”和原文不符，要求在全国推行和加利福尼亚州相似法规的是环保主义者，故排除。
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