California Air Resources Board

13 CCR Section 2759 (h) applies here. Although ARB can approve alternate labels, the manufacturer must have the DOM listed on the emission label.

The retest must be performed on the same engine and/or equipment that generated the original test results. No additional preconditioning is required if the fuel system has continuously contained fuel subsequent to the original test.

Good engineering practices are used to calculate surface areas for irregular shaped tanks.

In years that you are required to meet fuel hose permeation standards only, the evaporative family code can be omitted from the label. However, the label must still contain an unconditional statement of compliance for evaporative emissions.

The effective date applies to the model year of the generator.

Yes, 13 CCR Section 2753 (d) applies.

Yes. However, the first two characters of the evaporative family code must be as specified by CP-902.

As defined in Cal. Code Regs., title 13, section 2752(a)(9), “Evaporative Family” means a class of off-road engines or equipment that are grouped together based on similar fuel system characteristics as they relate to evaporative emissions. For equipment less than or equal to 80 cc, the engine family and evaporative family are considered equivalent. For integrated equipment greater than 80 cc the engine family and the evaporative family may be considered equivalent at the manufacturer’s discretion

Footnote 4 was inadvertently removed from proposed 15-day modifications, published May 14, 2004, when the regulations were finally approved by the Office of Administrative Law. The footnote read as follows: “4 Applies to small production volume tanks exempted pursuant to section 2766.”

Yes. For the model years when only a low permeation hose is required, the manufacturer can omit the evaporative code from the label. However, the label must still contain an unconditional statement of compliance.

Manufacturers meeting the small production volume exemption in Section 2766 must certify equipment annually pursuant to Section 2753 (d). However, equipment is not required to be configured with low permeation fuel hoses and carbon canisters or conform to fuel cap performance standards until model year 2010.

No. Compression-ignited engines are not regulated in the small offroad engine regulations.

Yes, running loss emissions that are combusted are considered controlled.

Yes.  Any changes to a certified evaporative emission control system will require the certification holder to submit a running change request.

No. The regulations do not specify the technology that must be used.

For equipment manufactured prior to or during a specific model year, the engine or equipment must comply with the respective exhaust and evaporative standards in effect for that model year in which it was produced. In the example described above, as long as the 2007 model year engine was compliant with the 2007 model year exhaust standards, and the 2008 model year equipment is compliant with 2008 model year evaporative requirements, a 2008 model year evaporative certification could be issued for the equipment.

The EMEL and EFELD are only applicable when a manufacturer is participating in the averaging and banking provisions of section 2754.1. When a manufacturer chooses to certify engines using the regulatory provisions for averaging and banking, the level being certified is the EFELD and not the EMEL. However, the EMEL for each model is the model’s effective emission standard.

Yes. Manufacturers can use an integrated exhaust and evaporative label with the last two characters of the exhaust family code representing the evaporative family.

Although this is not a requirement, a fuel cap manufacturer may voluntarily choose to request an CARB approval number (not a component EO) for their fuel cap design if they are selling the same fuel cap to a number of equipment manufacturers. Then, the fuel cap manufacturer can provide the equipment manufacturer with the CARB approval number to list in their certification application instead of providing the design diagram. For fuel cap manufacturers that would like to request an CARB approval number for their fuel cap design, please provide a letter along with the supporting information specified in Question 1-5.a above to the following address: Ms. Annette Hebert, Chief Emissions Compliance, Automotive Regulations and Science Division 9480 Telstar Ave., Suite 4 El Monte, CA 91731

The intent of 13 CCR 2756(a) is to ensure that the fuel cap remains attached to the tank, equipment, or engine for the full useful life of the small offroad engine or equipment under normal use. To meet the requirement of 13 CCR 2756(b), a description and an evaluation of how the user feedback and vapor seal are established should be included in the certification application. Fuel caps used on systems that pass a diurnal performance test are considered compliant with the vapor seal requirement. In the certification application, the manufacturer must describe how their fuel cap meets the performance standards in 13 CCR 2756(a) and 2756(b) by providing a design diagram. Please provide the fuel cap description on page 42 for performance-based, page 44 for design-based, and page 46 for small production volume tank manufacturers. If necessary, CARB may request manufacturers to submit fuel cap and tether samples for evaluation. As an alternative, if an equipment manufacturer is using the same fuel cap design in a number of certification applications, they may choose to submit the fuel cap design to DMS once and get an CARB approval number (not a component EO) for that specific design. Then, as long as there are no changes, manufacturers can just list the CARB approval number on future applications instead of providing the design diagram.