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Published online 25 October 2004 | Nature | doi:10.1038/news041025-7
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Fuel-efficient cars enough to curb US greenhouse gases
Today's technology could have immediate impact on global warming.
The United States could slash its greenhouse gas emissions by switching to today's fuel-efficient cars, US scientists have calculated, challenging the idea that reducing emissions is too expensive or will require new technologies to be developed.
Many methods have been put forward to curb emissions of heat-trapping carbon dioxide, such as growing plantations of trees to soak up the gas.
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