Fleet-wide use of E85 in the United States could increase the number of respiratory-related deaths and hospitalizations, according to a new study by Stanford University professor Mark Jacobson. His findings are published online in the journal Environmental Science & Technology (ES&T).
Jacobson combined and air pollution/weather forecast model with future emission inventories, population data, and health effects data to examine the effect of converting from gasoline to E85 on cancer, mortality, and hospitalization in the US as a whole and Los Angeles in particular.
After accounting for projected improvements in gasoline and E85 vehicle emission controls, the study found that E85 may increase ozone-related mortality, hospitalization, and asthma by about 9% in Los Angeles (120 deaths/year with a range of 47-140/yr) and 4% in the US as a whole (185 deaths/yr with a range of 72-216/yr) relative to 100% gasoline.
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