What Is E85 Ethanol?

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E85 ethanol is a fuel that can be used to power internal-combustion engines. Some vehicles can use E85 and gasoline, while others are tuned for E85 only. E85 is named as such because it is 85% alcohol. The other 15% is gasoline or other liquids used to fill in the volume. The alcohol used in E85 is available from a variety of sources, so it is simple to produce anywhere in the world.

Why use E85 ethanol?

In areas where it is difficult or impossible to import enough gasoline, E85 ethanol is the only viable solution for fuel. E85 can be made from a variety of materials, including sugar cane, corn, and waste cellulose (abundant in areas where there is a lot of agriculture). There are some other advantages that E85 has over conventional gasoline:

  • E85 is a higher octane than gasoline, so it can be used with higher compression engines. Specifically, vehicles that use forced induction can get a significant power boost from E85.

  • E85 produces less CO2 gas in exhaust fumes.

  • E85 has the potential to be produced more sustainably than gasoline.

  • Flex fuel vehicles can use both E85 and gasoline, making them more versatile than regular vehicles.

E85 vehicles

Vehicles that use E85 ethanol as fuel are either tuned specifically for use with ethanol or are "Flex Fuel" vehicles. Flex Fuel vehicles can use either fuel, as their engines are able to adjust to optimize the drivetrain for either fuel. Gas-only vehicles need different parts in the fuel system and different tuning to be able to use E85. Since E85 is conductive, unlike gasoline, it can cause problems with the fuel pump. Certain metals may corrode when in contact with ethanol as well.

E85 controversy

While there are numerous advantages to E85, some controversy has arisen with its increasing popularity in the US. In the US, E85 ethanol is mainly made from corn. Corn is also used in a number of food products. Opponents of E85 disagree with using potential food to make fuel.

Also, while E85 does produce less CO2 than regular gas, it produces other greenhouse gases in higher volumes. It is often advertised as a more eco-friendly alternative to gasoline, but that fact is contested by some.

E85 is a viable fuel and as it becomes more and more sustainable compared to gasoline, its popularity will increase.


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Jose

8 years of experience
33 reviews
Jose
8 years of experience
BMW 325i - Brake Pads Replacement (Front) - Redwood City, California
I had a few mechanics from YM and _all_ of them arrived late (some even 2 hours late) , but not Jose! He arrived right on time! I gave him the keys and let him do his job. I am a curious person so I asked him a few questions about his techniques and he had no problem answering them all with detailed explanations! He did run into a problem on my car because of stripped bolts, but he literally went above and beyond and found a way to remove it. Best mechanic ever.
Lexus CT200h - Brake Pads Replacement (Front) - South San Francisco, California
Jose was on time and did a great job on my brakes. He was friendly and explained the entire process. Would highly recommend.

Augustine

11 years of experience
35 reviews
Augustine
11 years of experience
Chevrolet Equinox - Brake Pads Replacement (Front) - Rio Rancho, New Mexico
Augustine was amazing. He was the perfect example of customer service all around. While he was working, I was recommending him to my neighbors. Next time I need work, I will be requesting Augustine specifically!!!!! Please give him a raise or bonus!!!
Toyota Corolla - Brake Pads Replacement (Front) - Albuquerque, New Mexico
Mr. Sanchez showed up on time and finished replacing my rotors and break pads. He was very informative and treats your car like his own. He was very time efficient and communicated very well. I highly recommend Mr. Sanchez’s services!!!!

John

26 years of experience
552 reviews
John
26 years of experience
GMC Yukon XL 1500 - Brake Pads Replacement (Rear) - League City, Texas
I am so happy John is back. I trust him very much. He is efficient and has a tremendous amount of mechanical knowledge. He is a true asset to Your Mechanic.
Ford F-150 - Brake Pads Replacement (Front, Rear) - Alvin, Texas
I like John because he is very knowledgeable about all my vehicles. In addition he is very organized regarding how he performs his work.

Wesley

8 years of experience
45 reviews
Wesley
8 years of experience
Dodge Nitro - Brake Pads Replacement (Front) - Peoria, Arizona
Great experience. Very professional, friendly, and knowledgeable. Highly recommended and will continue to use for future work.

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