Multifuel
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Multifuel, sometimes spelled multi-fuel, is any type of engine, boiler, or heater or other fuel-burning device which is designed to burn multiple types of fuels in its operation. One common applicatio
Multifuel automobiles, from several manufacturers, popularly known as "flex" autos, that run on any blend of ethanol and gasoline
Flexible-fuel vehicle
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A flexible-fuel vehicle or dual-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 me
Multifuel
…for transportation, heating, and other uses has led to increased development of multifuel technology for non-military use as well, leading to many flexible-fuel vehicle designs in recent decades. A multifuel engine is constructed so that its compression ratio permits firing the lowest octane fuel of the various accepted…
The Ford Model T's engine was capable of running on ethanol, gasoline, kerosene, or a mixture of the first two.
The Fiat Siena Tetrafuel 1.4 is a multifuel car designed to run as a flex-fuel on pure gasoline, or E20-E25 blend, or pure ethanol (E100); or to run as a bi-fuel with natural gas (CNG).
Demonstration E85 flex-fuel Ford Escape Hybrid
Demonstration Ford Escape E85 flex-fuel plug-in hybrid