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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

Green Car Congress

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

Green Car Congress

Experiments have even shown that the evaporation of the water in the intake manifold acts as a charge air cooling, which improves the volumetric efficiency and thereby the overall efficiency of the engine. d) further provides for alcohol blends as follows: Special provisions for alcohol blends. (1) 40 CFR § 80.27(d)