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

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Summary of significant emissions results from the fuel testing. 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. Click to enlarge.

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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

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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. The patent application covers blends of between 5% and 95% alcohol.

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Geely invests in Carbon Recycling Intl.; vehicles fueled by methanol from CO2, water and renewable energy

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CRI, founded in 2006 in Reykjavik, Iceland, is developing technology to produce renewable methanol from clean energy and recycled CO 2 emissions. Geely is committed to achieving the long-term goal of zero emissions mobility through a diverse suite of new energy solutions, including renewable methanol vehicle technology.

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Co-Optima releases capstone report on first 4 years of work

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This research involves identifying the fuel properties and engine parameters that mitigate knock and emissions, while maximizing boosted SI efficiency and performance. Of the fuel properties investigated, these six were found to have the most impact on engine efficiency and emissions. What Will Work in the Real World?

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DOE Co-Optima report identifies top ten bio-blendstocks for efficiency in boosted SI engines

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The blendstocks all have the potential to reduce life-cycle greenhouse gas emissions by at least 60 percent. Six of these blendstocks had the fewest significant practical barriers to adoption and use: di-isobutylene; ethanol; isobutanol; n-propanol; isopropanol; and a fusel alcohol blend.

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DOE Co-Optima researchers identify 6 high-potential blendstocks

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Much of the Co-Optima research is focused on blendstocks which can be produced from a wide spectrum of domestic resources including renewable, non-food, domestic biomass such as forestry and agricultural waste, as well as petroleum or natural gas.

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

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d) further provides for alcohol blends as follows: Special provisions for alcohol blends. (1) Ethanol (C 2 H 5 OH), otherwise known as ethyl alcohol, alcohol, or grain spirit, is a clear, colorless, flammable oxygenated hydrocarbon with a boiling point of 78.5 °C As used in this section and Sec. Conclusion.