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.

Alcohol Blend 199

Alcohol Blend Fuel Range Exhaust 199

Green Car Congress

OCTOBER 11, 2019

One of the first of its kind, this comprehensive systematic assessment includes a broad range of biomass-derived molecules and mixtures across many chemical families—more than 400 bio-derived molecules. These blendstocks are best-suited for light-duty (LD) gasoline BSI engines.

Engine 207

Engine Alcohol Blend Idaho Davis 207

Green Car Congress

AUGUST 25, 2015

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.

Engine 150

Engine Fuel GM Ford 150

Green Car Congress

AUGUST 30, 2009

In 1975, General Ernesto Geisel, then-president of Brazil, ordered the country’s gasoline supply mixed with 10% ethanol. The level was raised to 25% over the next five years, which was intended to maintain a constant Brazilian gasoline supply for an ever-increasing demand. These were arguably the first flex-fuel vehicles.

Transportation 317

Transportation Fuel Renewable Gasoline-Electric 317

Green Car Congress

NOVEMBER 25, 2012

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.

Extended Range 400

Extended Range Plug-in Engine GM 400