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Study Shows Ethanol Produces More CO2 Emissions Than Gasoline

2014-05-02 20:22:00| Climate Ark Climate Change & Global Warming Newsfeed

EcoWatch: A Northwestern University study by an economist and a chemist reports that when fuel prices drove residents of So Paulo, Brazil, to mostly switch from ethanol to gasoline in their flexible-fuel vehicles, local ozone levels dropped 20 percent. At the same time, nitric oxide and carbon monoxide concentrations tended to go up. The four-year study is the first real-world trial looking at the effects of human behavior at the pump on urban air pollution. This empirical analysis of atmospheric pollutants,...

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