fuel fill cap is the only venting component on modern day fuel tanks

ABYC has standards for both permanently installed gasoline fuel systems. Federal regulations for recreational boats apply only to gasoline, but I have included notes when the rules for gasoline differ from the ABYC standards for diesel. Contact ABYC and the Coast Guard to get the latest standards for fuel systems. There are requirements in the Federal Regulations and in ABYC standards that are not included here! I will only hit the high points.

Warning: I am only going to very briefly cover the basics here. Hottopics: The latest on Ethanol And New Research On Isobutanol Survey Of Published Data And Reports On Blended Fuels In Marine Applications: US Coast Guard. It is not recommended for use in marine engines. The marine industry raised strong objections to this and as of 2012 E15 use is limited to road vehicles produced after 2007. E10 (10% Ethanol) was the standard, but in 20 the EPA began looking at the use of E15. They became effective Januand all boat builders and boat importers must comply with them.Įthanol and Blended Fuels: In recent years the US EPA has required use of Ethanol blends in gasoline. The EPA regulations cited below are now in effect. Safety standards for gasoline fuel systems on recreational boats.

Fuel fill cap is the only venting component on modern day fuel tanks