Why does gasoline burn so well?

Gasoline consists mostly of hydrocarbons—chains of carbon encircled by atoms of hydrogen. When the hydrocarbons burn, they break apart and recombine with the air. This reaction produces heat, as well as two chemical byproducts: water and carbon dioxide.

Why does gasoline burn so fast?

At speeds over 60mph, gas mileage drops off a lot more than most drivers probably realize. “The aerodynamic drag created by a vehicle moving through the air increases exponentially,” says Pokrzywa. It takes more power to overcome the added resistance, which forces the engine to work harder, burning more fuel.

Why does gasoline make good fuel?

It is also used as a solvent for oils and fats. Originally a by-product of the petroleum industry (kerosene being the principal product), gasoline became the preferred automobile fuel because of its high energy of combustion and capacity to mix readily with air in a carburetor.

Does gasoline burn cleanly?

If you could burn gasoline as a vapor with a hot flame and plenty of oxygen, you would get nearly pure carbon dioxide and water as the combustion products. … That is why you can burn natural gas, LP gas and kerosene indoors in the winter.

Does gasoline burn easily?

Flammable and combustible liquids themselves do not burn. It is the mixture of their vapours and air that burns. Gasoline, with a flashpoint of -40°C (-40°F), is a flammable liquid. … It has a flashpoint of 79°C (175°F), so it must be heated above that temperature before it can be ignited in air.

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Do you use less gas if you drive slower?

The common understanding is that going faster burns more fuel and therefore, the slower you drive, the less fuel your car will use, but this actually isn‘t true. … Any slower, and your transmission will automatically shift to a lower gear, which requires more fuel to maintain. The takeaway: Do the speed limit.

Why is ethanol bad for engines?

— Efficiency: Ethanol-blended fuel’s lower energy efficiency may reduce fuel economy of your engine. — Stalling: Ethanol can cause engine stalling if the water in the ethanol separates from the gasoline and floods the engine. … — Clogging: Ethanol can loosen debris in the fuel line that leads to clogs.

What are some disadvantages of gasoline?

Health. Gasoline exposure can occur from filling your tank, from a gas leak in your engine, or from general spills and accidents. Gasoline can contaminate drinking water or nearby soil if you have a well system or soil near your driveway.

What burns faster than gasoline?

Ethanol has more than double the power of gasoline. This is because ethanol is an oxygenate (a compound containing oxygen), which means it has a more complete burn than gasoline. … Also, ethanol is a much slower burning fuel; it has an octane rating of 110, where as regular unleaded gasoline has a rating of 87.

What burns more cleanly than gasoline?

Ethanol is an oxygenate, and that oxygen allows it to burn more cleanly and more completely than gasoline.

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