The potential for consumers to use fuel with a percentage of ethanol above 10 percent in boat engines is detrimental to the U.S. recreational boating industry, an important economic driver for large parts of the country. There are serious and well-documented human safety, environmental, and technology concerns associated with ethanol blends over 10 percent in recreational boat fuel tanks and engines.
Renewable Fuel Standard Background
Speciale: Renewable fuel standard doesn't make sense for Texans
[179.12 Kb] Appeared in the Houston Chronicle January 2018.
Presentation: E15 Outboard Marine High Ethanol Fuel Endurance
[1556.44 Kb] An overview presentation of the effects of running gasoline with 15% ethanol concentration in current production outboard four-stroke marine engines and conventional two-stroke outboard marine engines.
In-Depth Analysis: High Ethanol Fuel Endurance
[2127.81 Kb] An in-depth, detailed study of the effects of running gasoline with 15% ethanol concentration in current production outboard four-stroke marine engines and conventional two-stroke outboard marine engines.
Letter to EPA re: 2018 RVOs
Mercury E15 study - Presentation
NMMA Official Comments on Registration of Isobutanol as a Gasoline Additive
Emissions and Operability of Gasoline, Ethanol, and Butanol Blends in Recreational Marine Applications
Letter to EPA on Year-Round E15 Rule