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Emissions Per New Car Driver Fell 20 Percent In Five Years
Carl Franzen –
U.S. drivers of new cars produced an average of 20 percent less emissions per driver in September 2012 than in October 2007, a reduction that occurred thanks to the purchase of more fuel-efficient vehicles, a new study from the University of Michigan found. Here's a chart showing the trend, with emissions in green, fuel economy in red and distance driven in blue: