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Scientists Debate Ethanol’s Benefits
By Mr Ethanol | August 13, 2007
Florida Today:
They’re pitched as cleaner and greener, but ethanol cars may be meaner on the lungs, recent research shows.
Converting America’s cars and trucks from gasoline to ethanol might not cut smog at all, or could slightly worsen it, according to a study at Stanford University.
“This is part of the misinformation campaign that’s caught on,” said Mark Jacobson, an atmospheric scientist at Stanford and author of the study. “It’s a hope more than anything.”
Jacobson used a computer model to predict the effects of a large-scale ethanol conversion on pollution and death rates from respiratory illness in 2020.
“Both gasoline and ethanol are going to kill at least 10,000 people” per year, Jacobson said.
But his model, published in the April issue of Environmental Science & Technology journal, predicted that Los Angeles, for one, could expect 650 more hospitalizations and 1,200 more asthma-related emergency visits in 2020 if many more ethanol cars and trucks take to America’s roadways. The effect would be the same whether the ethanol is from corn, switchgrass or other plant products, he said.
Tailpipes of ethanol cars… continue reading.
Topics: Biofuel, Ecology, Ethanol, News, Science |
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