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Team from GM, Ford, FCA reviews how to calculate engine efficiency benefits of high octane fuels

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The preflame reactions are a strong function of temperature, so evaporative cooling from the fuel can also play a significant role, which is particularly important for fuels containing alcohol. Alcohol and gasoline-alcohol blends also offer efficiency benefits independent of their octane value. —Leone et al.

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

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Methanol-powered vehicles are one pillar of Geely Auto’s diversified new-energy strategy, which also encompasses ethanol, CNG, gasoline-electric hybrid, plug-in hybrid, pure-electric, and extended-range solutions. Sileghem, L., Wallner, T., and Verhelst, S. 2014.07.002.

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GM and U Mich receive patent on plug-in series hybrid/extended range electric vehicle powertrain using multiple free piston linear alternator engines

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GM Global Technology Operations LLC and the Regents of the University of Michigan recently were awarded a US patent (Nº 8,261,860) for a plug-in series hybrid or range-extended electric vehicle powertrain using multiple free piston linear alternator (FPLA) engines. Ethanol blended hydrocarbon fuels can include higher ethanol blends (e.g.

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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) As used in this section and Sec. 80.27, “high ozone season” means the period from June 1 to September 15 of any calendar year and “regulatory control period” means the period from May 1 to September 15 of any calendar year.