Making driving less energy-intensive than flying
Green Car Congress
JANUARY 9, 2014
Energy intensities of flying (blue) and driving (green), 1970-2010. Data: Sivak, UMTRI-2014-2. To make driving less energy intensive than flying, the fuel economy of the entire US fleet of light-duty vehicles would have to improve from the current 21.5 —Sivak, UMTRI-2014-2. Click to enlarge. persons to at least 2.3
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