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NREL study probes emissions impact of butanol-gasoline blends in light-duty vehicles

Green Car Congress

They tested these fuels in a 2009 Honda Odyssey (a Tier 2 Bin 5 vehicle) over triplicate LA92 cycles, and determined emissions of oxides of nitrogen, carbon monoxide, non-methane organic gases (NMOG), unburned alcohols, carbonyls, and C 1 ?C Ethanol produced the highest unburned alcohol emissions of 1.38

Gasoline 236
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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

Green Car Congress

However, since the cost of the hydrous ethanol is significantly lower, hydrous ethanol will provide a lower cost per mile travelled, assuming the processing cost savings is passed on to the consumer. d) further provides for alcohol blends as follows: Special provisions for alcohol blends. (1) 40 CFR ยง 80.27(d)