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The harm that E15 fuel causes to outboard engines has been well documented. Here’s a chance to help reduce our reliance on this damaging fuel.

By Fred Golofaro  |  June 29, 2020
Outboard engines are especially susceptible to engine problems resulting from the use of E15.

Boating United is petitioning for changes that would reduce the boating industries reliance on E15 fuel which has proven especially harmful to outboard engines. E15 is becoming more widespread at local gas stations across the country – despite the risks that fueling with high levels of ethanol, like E15, pose. Fortunately, the Environmental Protection Agency (EPA) is currently considering making changes that would provide boaters more options at the pump. If approved, EPA’s proposal would open the door for more efficient and safer alternatives like biobutanol in the marketplace. This commonsense modification will provide tremendous benefits for boaters, the environment, and the economy.


Dear Sir or Madam:

Recreational boaters and the recreational boating industry support the Environmental Protection Agency’s (EPA) Proposed Fuel Streamlining Rule. However, we request modifications to the rule that will level the playing field and allow biobutanol to fairly compete with the ethanol industry. Without administrative modifications, ethanol will continue to have an undue advantage over next generation, superior biofuels.

Biobutanol is a very important biofuel for the recreational boating industry. We have submitted hundreds of pages of peer-reviewed technical papers on the benefits of biobutanol, which were conducted in coordination with the Department of Energy, Argonne National Laboratory, U.S. Coast Guard, and an industry driven research program. The results of this program supported the industry-wide approval of biobutanol fuel blends and, subsequently, will help lead to the commercialization of this environmentally beneficial next generation biofuel.

As such, we support EPA’s streamlining rule with the following adjustments:

In order to level the playing field between ethanol and biobutanol, we propose allowing biobutanol blenders to add additional butane without registering as a refiner; and

Provide more relief from conducting an attest engagement by raising the 200,000-gallon limit to two million gallons – which would be a more appropriate exemption, particularly as sales of marine gasoline in the U.S. account for approximately 1.5 billion gallons annually.

These common sense and environmentally beneficial modifications to the EPA fuel standards will not only benefit small refiners, but also small business that are working hard to introduce biobutanol to the market.

Sign the petition at https://www.boatingunited.org/take-action/fight-for-alternative-to-e15/

and tell the EPA to provide boaters with safer fuel choices at the pump.