NREL study probes emissions impact of butanol-gasoline blends in light-duty vehicles
Green Car Congress
NOVEMBER 26, 2013
Among the large, statistically significant fuel effects on regulated emissions: i-butanol delivered a 29% reduction in CO from E16 and a 60% increase in formaldehyde emissions, compared to certification gasoline. Ethanol produced the highest unburned alcohol emissions of 1.38 mg/mile n-butanol, and 0.30
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