Flex-fuel, also known as flexible fuel, is a type of fuel combined with gasoline and methanol or ethanol. Vehicles running on this fuel type are designed to be run on more than one fuel type.

Flex fuel, or flexible fuel, is an alternative fuel made of a combination of gasoline and methanol or ethanol. Flex-fuel vehicles are those that have internal combustion engines designed to run...

Dec 31, 2025 · Also known as flex fuel, E85 is a gasoline-ethanol blend containing between 51% to 85% ethanol, depending on the season and geographic region of the distributor.

Dec 11, 2025 · A flex fuel vehicle (FFV) is one designed to run on a blend of gasoline and another fuel, usually ethanol. A typical flex fuel vehicle in the U.S. will run on a mixture as high as 17% gas and …

Jan 26, 2025 · It consists of gas and either methanol or ethanol, and it can be used in any car that's been designed to run on multiple fuels, known as flex fuel cars.

Nov 6, 2023 · Flex-fuel is a fuel source that is similar to gasoline, but it typically contains far more ethanol. All fuel contains ethanol to some percentage, but what flex fuel does is drastically change …

Sep 14, 2025 · Flex fuel is an alternative fuel made by blending petrol with ethanol or methanol. Vehicles designed for it are called flexible-fuel vehicles (FFVs) which can run on petrol, ethanol, or a mix of …

Apr 3, 2020 · What Is Flex Fuel? The short answer in an automotive context, circa 2020, is that it's a technology that allows an engine to burn any mixture of alcohol in gasoline ranging from 15 to 85...

May 7, 2024 · Flex fuel is a top-graded ethanol and gasoline blend used in automobiles. There are varying degrees of mixing, but flex fuel specifically refers to products with a 51—to 83 percent …

Apr 23, 2024 · What is Flex Fuel? Specially equipped vehicles designated as Flex Fuel capable can operate on E85, a mix that can contain from 51% to 83% ethanol and just the remainder as gasoline.