26 Dec '14, 3pm

Vaclav Smil: Cars weigh too much

Vaclav Smil: Cars weigh too much 26 December 2014 In an opinion piece in the January 2015 issue of IEEE Spectrum , Vaclav Smil, Distinguished Professor Emeritus at the University of Manitoba, Fellow of the Royal Society of Canada (Science Academy), and the Member of the Order of Canada, writes that modern cars—even with the tremendous gains in efficiency and even electrics—simply weigh too much, given the dominant usage pattern of one driver per vehicle. Data on commuting from the US Census Bureau show that in 2012, 76% of Americans drove to work alone; carpooling was down from 20% in 1980 to 12%; and the use of public transportation was down from 6% to 5%. And so the outlook is for ever-better engines or electric motors in heavy vehicles used in a way that results in the worst weight-to-payload ratios for any mechanized means of personal transportation in history. —Vaclav...

Full article: http://www.greencarcongress.com/2014/12/20141226-smil.html

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