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Understanding Evaporative Emissions Standards & Regulations in Boat Construction

Learn about the recent EPA ruling affecting recreational boat construction, the transition to EPA compliance, and key points on canisters, fuel systems, and fuel tanks in this informative guide.

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Understanding Evaporative Emissions Standards & Regulations in Boat Construction

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  1. Evaporative Emissions Standards & Regulations John Adey, Technical Director ABYC

  2. Philosophy & Misnomers • The ONLY Federal Regulations that apply to Recreational Boat Construction are found in Title 33 the Code of Federal Regulations. • This recent EPA Ruling has changed that • Title 40 part 91 Contains the Rule • ABYC WILL be adding this to the CD and Other Electronic products as permission is given

  3. Philosophy & Misnomers Cont… • This is FEDERALLY ENFORCEABLE • Non Compliance WILL cause a Recall • Talks on-going for inspection of the EPA Requirements during the USCG Factory Visit. • NMMA Certification will follow the EPA Implementation times, NOT ABYC’s

  4. Construction Standards? • What’s Out there? • SAE J1527 Fuel Hose • ABYC H-24 Gasoline Fuel Systems On Board Boats • ABYC A-XX Carbon Canisters • ABYC H-XX Non Metallic Fuel Tanks

  5. How Have These Changed?Fuel Hose • You are Already Seeing It • A-1-15 = EPA Compliance, USCG Compliance, ABYC Compliance

  6. ABYC H-24 July 2010 • Already has the option of A-1-15 Hose • Per SAE J1527 • Will Require A-1-15 Hose • Published July 2009 Effective July 2010 • So…BY July 2010 Compliance with ABYC = USCG, EPA, NMMA

  7. CANISTERS • NO Industry Standard Exists Today • Auto Industry = Proprietary • Incredible help from Industry • Standard Underway • Construction in A-XX • Installation in H-24

  8. Key Marine Points in A-XX • Able to Handle Condensate, Corrosive Environment • Not Block Flow – e.g. No Pressure • Keep Carbon Intact • Pass Fire Test – If Installed in Engine Cpt. • Volume of Carbon vs Tank size • <26’ .04 x Tank Capacity • ≥26’ .016 x Tank Capacity

  9. Key Points for H-24Under Consideration: • Self Draining • NO Fuel in the Canister **EVER** • Check Valve etc.etc. • Mounting • Fire Test? • Daisy-Chained?

  10. Pressurization? 33CFR 183.520 • (a) Each fuel tank must have a vent system that prevents pressure in the tank from exceeding 80 percent of the pressure marked on the tank label under Sec. 183.514(b)(5).

  11. @ 3 PSI

  12. Solution? Could Be. • Considerations for Safety Standards: • Securing the tanks • Connection Methods • Hose Types • Cap & Vent durability testing • Engine Connections

  13. Spitback? The Wording: • You must design and build your equipment such that operators can reasonably be expected to fill the fuel tank without spitback or spillage during the refueling event.

  14. Spitback? • Mentioned, though vaguely. • Could be a key point to the canister install • EPA is attempting to standardize nozzle size • Fill rates vary from standard auto 9-12 gpm • Fill habits vary from trailer to in-water • A not-to-ignore item, we were not expecting • H-24 will have to deal with this

  15. How Many Different Nozzles?

  16. Tank Permeation • Barrier coat? • New Plastics? • Blow Molding? • Rotational Molding? • Conventional Testing? • Possible ABYC H-XX Standard for Non-Metallic Fuel Tanks.

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