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ExxonMobil Research files patent application on methods for expanding HCCI and other advanced combustion modes load range with fuel-alcohol blends

Green Car Congress

ExxonMobil Research and Engineering Company has filed a US patent application (# 20100326387 , published 30 December 2010) on methods using a wide range of fuel-alcohol blends to expand the operating envelope of engines operating in advanced combustion modes. reduced maximum rates of pressure increase during HTHR.

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

Green Car Congress

Given equivalent deployment of butanols and ethanol, the results suggest emissions of unburned alcohols would decrease, but carbonyl emissions would increase; some of these compounds have poorly understood health effects, they note. NIOSH considers butyraldehyde to have similar reactivity and mutagenicity to acetaldehyde.

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

Green Car Congress

Named flex-fuel vehicles (FFVs), these automobiles run on gasoline, ethanol, or any blend of the two. When the car is filled at the pump, an internal system analyses the mix of the two fuel types and adjusts accordingly. d) further provides for alcohol blends as follows: Special provisions for alcohol blends. (1)