| Equipment type | Is the engine manufacturer required to certify fuel systems? a | Code of FederalRegulations cite forcertification |
|---|---|---|
| Marine SI | No | |
| Large SI | Yes | 40 CFR part 1048 . |
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| Recreational vehicles | No | |
| Small SI | No, unless engines are sold with complete fuel systems | 40 CFR part 1060 . |
| a Fuel lines and fuel tanks that are attached to or sold with engines must be covered by a certificate of conformity. | ||
| Equipment type | Is the equipment manufacturer required to certify fuel systems? | Code of FederalRegulations cite forcertification |
|---|---|---|
| Marine SI | Yes, but only if vessel manufacturers install uncertified fuel lines or fuel tanks or intend to generate or use evaporative emission credits | 40 CFR part 1060 . a |
| Large SI | Allowed but not required | 40 CFR part 1060 . |
| Recreational vehicles | Yes, even if vehicle manufacturers install certified components | 40 CFR part 1051 . |
| Small SI | Yes | 40 CFR part 1060 . a |
| a See the exhaust standard-setting part for provisions related to generating or using evaporative emission credits. | ||
| Equipment type | Is the component manufacturer required to certify fuel lines and fuel tanks? | Code of FederalRegulations cite forcertification |
|---|---|---|
| Marine SI | Yes, including portable marine fuel tanks and associated fuel lines | 40 CFR part 1060 . |
| Large SI | Allowed but not required | 40 CFR part 1060 . |
| Recreational vehicles | Allowed but not required | 40 CFR part 1060 . |
| Small SI | Yes a | 40 CFR part 1060 . |
| a See § 1060.601 for an allowance to make contractual arrangements with engine or equipment manufacturers instead of certifying. | ||