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., 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

MAY 23, 2010

RVPs (predicted DVPE) of single- and dual-alcohol blends in gasoline with different relative proportions of ethanol and 1-butanol. Credit: ACS, Andersen et al. Click to enlarge. While the vapor pressure is independent of the vapor/ liquid ratio for a pure compound, this is not true for mixtures, such as gasoline.

Alcohol Blend 210

Alcohol Blend Gasoline Ozone Fuel 210

Green Car Congress

AUGUST 30, 2009

The Model T Ford, which debuted in 1908, was originally designed to operate on alcohol. The Model T and Model A Fords were later designed to operate on either alcohol or gasoline or a blend of alcohol and gasoline. d) further provides for alcohol blends as follows: Special provisions for alcohol blends. (1)

Transportation 317

Transportation Fuel Renewable Gasoline-Electric 317