Flex-fuel Vehicles

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what is flex fuel

Flexible-fuel vehicle - Wikipedia, the free encyclopedia


** Flexible-fuel vehicle **

From Wikipedia, the free encyclopedia
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For other types of vehicles, see Alternative fuel vehicle and Hybrid
The Ford Model T was the first commercial flex-fuel vehicle. The engine was
capable of running on gasoline or ethanol, or a mix of both.

A *flexible-fuel vehicle (FFV)* or *dual-fuel vehicle* (colloquially called
a *flex-fuel vehicle*) is an alternative fuel vehicle with an internal
combustion engine designed to run on more than one fuel, usually gasoline
blended with either ethanol or methanol fuel, and both fuels are stored in
the same common tank. Modern flex-fuel engines are capable of burning any
proportion of the resulting blend in the combustion chamber as fuel
injection and spark timing are adjusted automatically according to the
actual blend detected by a fuel composition sensor. Flex-fuel vehicles are
distinguished from bi-fuel vehicles, where two fuels are stored in separate
tanks and the engine runs on one fuel at a time, for example, compressed
natural gas (CNG), liquefied petroleum gas (LPG), or hydrogen.

The most common commercially available FFV in the world market is the
ethanol flexible-fuel vehicle, with 27.1 million automobiles, motorcycles
and light duty trucks sold worldwide through December 2011, and
concentrated in four markets,^[1] Brazil (16.3 million),^[2]^[3] the United
States (10 million),^[4] Canada (more than 600,000),^[5] and Europe, led by
Sweden (228,522).^[6] The Brazilian flex fuel fleet includes 1.5 million
flexible-fuel motorcycles produced since 2009.^[7]^[8]^[9] In addition to
flex-fuel vehicles running with ethanol, in Europe and the US, mainly in
California, there have been successful test programs with methanol
flex-fuel vehicles, known as M85 flex-fuel vehicles.^[1]^[10] There have
been also successful tests using P-series fuels with E85

Source: en.wikipedia.org/wiki/Flexible-fuel_vehicle

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