Alcohol Blend Engine Gasoline 
Green Car Congress
MAY 23, 2010
RVPs (predicted DVPE) of single- and dual-alcohol blends in gasoline with different relative proportions of ethanol and 1-butanol. As part of the study, they demonstrated a simple method to prepare dual-alcohol-gasoline blends with Reid vapor pressures (RVPs) “ indistinguishable ” from that of the base gasoline.
Green Car Congress
MAY 1, 2009
A study by engineers from Mahle Powertrain Ltd and BP found strong synergy between spark ignition (SI) engine downsizing and fuel containing low-to-moderate amounts of alcohol, including ethanol and butanol. The addition of alcohol did not improve excess air tolerance. Cairns et al. SAE 2009-01-0138). O 2 (% wt).
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Green Car Congress
NOVEMBER 25, 2012
The GM/U Mich patent envisages using multiple free-piston engines (240A through 240D in the patent drawing). The covered hybrid powertrain uses the multiple reciprocating free-piston linear alternator engines to generate electric power for the battery pack or the traction motor. Click to enlarge. Patent Drawing of an FPLA.
Green Car Congress
JANUARY 5, 2011
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.
Green Car Congress
DECEMBER 14, 2015
Researchers from Tsinghua University and Peking University have investigated the effects of fuel properties on particulate emissions gasoline direct injection engines (GDI). The study results, reported in the journal Fuel , demonstrated that the fuel composition has a significant on particulate emissions from GDI engines.
Green Car Congress
OCTOBER 11, 2019
A new Co-Optimization of Fuels & Engines (Co-Optima) report describes the top ten biofuel-derived blendstock candidates. These top candidates, when blended with petroleum and used in a boosted spark ignition (BSI) engine, will offer environmental benefits and boost energy efficiency all while being available at a competitive price.
Green Car Congress
AUGUST 25, 2015
A team of engineers from GM Powertrain, Ford and FCA have published a detailed review of how to estimate the engine efficiency benefits of higher octane fuel—e.g., fuel with higher ethanol content—for part- and full-load operation for different engine types and fuel assumptions. —Leone et al.
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