Fuel Testers supplies the knowledge and resources you need to protect your engines from alcohol fuel - Auto, Marine, Aircraft....
Fuel-testers helps you to manage E10 gas: Fuel Additive & Gas Treatment Use with E10
Ethanol alcohol, a renewable reformulated fuel, supports the farming industry and decreases U.S. dependence on foreign fuels.
Ethanol alcohol blend fuels, made from corn & grains, can damage engines.
Gas Additives:
Use and Treatments with E10 Fuel
Avoid alcohol containing gas treatment products when using E10 fuel.
Portable, reusable Ethanol Fuel Test Kits check presence of any type alcohol in liquids.

Be very cautious when adding extra Fuel Treatment and Gas Additive products
to E10 ethanol fuel blends.

Ethanol alcohol, used for oxygenating E10 and E85 fuel is a solvent, cleanser, antifreeze, and readily absorbs water.
Many fuel system treatment products have the same exact properties and purpose.

Major problems have arisen due to engine owners unknowingly using fuel blends containing over 10% alcohol.
The problem often becomes worse when they add alcohol-based fuel system products (gas additives).

This may be due to improper addition (over 10%) of ethanol to the fuel supply (usually added and mixed by the truck drivers and/or local fuel distributors) - But, all to often this is simply due to the engine owner, unknowingly adding fuel additives and gas treatments, that contain alcohol, to their fuel system.

Numerous popular fuel products (additives, cleansers, etc.) are alcohol based.
Examples of products containing methanol include: CD2 Engine Tune-up - Turbo Octane Boost 108 - Snap Gas Line Antifreeze - STP Carburetor Cleaner...
Find out if your additive contains alcohol and/or water-attracting chemicals...

Carefully review ALL ingredients of every fuel treatment products before using. 
Check the product's MSDS.

Fuel additives and treatments marketed as "Fuel System Cleaners" -"Water Removers" - "Oxygenators" almost ALWAYS CONTAIN ALCOHOL!

Since ethanol is an excellent cleanser, solvent, water absorber, degreaser and more - It should seem obvious to the purchaser that these products would contain alcohol, but often this is not realized by your typical consumer or mechanic.

Almost all  fuel system products marketed for "water removal" contain some type of alcohol.
Most products labeled as a "Fuel System Cleaner" will contain alcohol.

- Review the MSDS (Material Safety Data Sheet) for specific ingredients of the product. 

- Review the wording and letters of each ingredient listed.
Many alcohol (ethanol type) chemical names end in "ol". E.G. ethan"ol", methan"ol".

Sometimes the common name of alcohol based ingredients is not so obvious. 
E.G. Carbon disulfide = Alcohol Sulfuris, Aromatic Spirit of Ammonia  = Ammonia in alcohol.

Common and Chemical Names of Alcohols

ethanol  = ethyl alcohol  = grain alcohol = spirit of wine
alcohol sulfuris  = carbon disulfide 
aromatic spirit of ammonia  = ammonia in alcohol
methanol  = methyl alcohol  = methylated spirits = wood alcohol
rubbing alcohol  = isopropyl alcohol 
View list of alternative names for ethanol/alcohol/methanol.

Some fuel sytem products that do not list any alcohol in their ingredients, may instead contain a chemical that has similar properties to ethanol - E.G. Fuel additives that are also "hygroscopic" (attract and absorb or adsorb water) should be avoided.

Obtain an Alcohol Fuel Test Kit to test
and determine the presence of alcohol in gasoline and additives.

Gas additive list: View
Gas treatment products and fuel additive reviews.

More E10 Ethanol Information:
Numerous studies, dating back many years, have proven that too much alcohol in a conventional engine, will damage engine parts and negatively affect performance.  The current legal limit for E10 fuel is 10% or less.

If your engine has not been modified to be compatible with high alcohol fuel, running on higher than 10% ethanol WILL cause damage.

Custom cars, especially those designed for boat and car racing often run on very high, up to 100% alcohol -
These engines have been specially modified and maintained to avoid the damaging effects of alcohol.
History Tip: The first Ford Model T built in 1913 was designed to run on both conventional petroleum based fuel and ethanol.

The use and negative effects of alcohol on engines and engine parts is well known and documented.
Several engines can not tolerate any ethanol - E10, or any fuel containing ethanol, methanol, etc. can NOT be used in those engines.

Examples: Many cars and boat engines manufactured over 10 years ago, most motorcycles and classic cars, lawn equipments, etc.

- Check your owners manual or contact the manufacturer for fuel recommendations.

Why hasn't the public been properly educated by the EPA, government and gas companies
on the effects of ethanol renewable/reformulated fuels any necessary precautions?

Consumers are often unaware of what actions they must take to correct the problems resulting from ethanol oxygenation of the public fuel supply and lack knowledge on which fuel treatment and gas additive products should be avoided.

Numerous companies that manufacture and sell fuel treatment products have even use deceptve marketing tactics, to convince you that they have a product which will "prevent and fix" all ethanol-related fuel problems - No such miracle product exists!

If there was a simple product or chemical which could prevent all the negative side-effects of ethanol in fuel, the major gas companies would already be adding it to the gas ingredients.

Fuels that contain ethanol have decreased efficiency and mpg.

Studies and reports vary, but all tests report MPG (miles per gallon), with decrease with ethanol blends of fuel (E10, E85).
Usually E10 gasoline lowers MPG by 3 to 7 % and E85 gasoline lowerb MPG by about 40 %. More information...

Sadly, consumers all to often incur additional costs beyond the increased fuel consumption when using E10.

Mechanical problems are common, especially in older engines. T
he release of years of accumulation of rust, sediment, and other material in your engine, will also be removed and released or dissolved or disintegrated from your engine and engine parts -
Result is costly repairs from clogged filters, disintegration and drying of parts (especially rubber and plastic) and numerous other malfunction of motors caused by ethanol/alcohol. 
See ethanol "problems/damage" and "disadvantages" for more information.

- Service and maintain your engines to avoid problems with E10 gas -

There are several other motor modifications and precautions necessary when switching and using E10 fuel. 
Consult a mechanic and your owners manual for advice.

Older, poorly serviced engines, boat engines and motors that reside in high moisture environments, fuel-injection engines and motors that use gas with extra cleaning and cetain gas treatment products/additives, will have the most damage and problems..

There are many measures you can take to protect your engine from E10 gas.  Even something as simple as checking and changing filters often, which will become dirty quicker when using E10 (due to it's cleansing & solvent abilities), will prevent unnecessary repairs.

Older engines, especially those manufactured prior to late 1990's -2000, often have parts that are not alcohol resistant.

Many engines manufactured advise against using any ethanol or methanol fuels.
Check your engine's owner's manual fuel recommendations for fuel requirements.

If your engine owner's manual and/or warranty contract forbids use of alcohol fuels,
you will not be reimbursed for any engine damage that is a result of E10 and alcohol blend fuel use!

Since the U.S. government and EPA has mandated the addition of ethanol to our fuel supply, manufacturers have changed the fuel recommendation to include E10 fuels. 

E85, FFV's and AFV's are designed to be compatible with blends up to 85 % ethanol.
All other engines currently being manufactured usually allow for 10% or lower ethanol blend fuels.

Find more information on ethanol fuels at navigation menu on left side of page.
Boaters - View: Ethanol Fuel Use in Marine - Boat - Outboard Engines

Use of Fuel Additives & Gas Treatments with E10 Blend Fuels
Check ingredients/alcohol content of gas additive and fuel treatment products.
Check if gas additive and fuel treatment products you use contain alcohol.
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