Subpart B - Emission Standards and Certification Provisions  


§ 91.101 - Applicability.
§ 91.102 - Definitions.
§ 91.103 - Averaging, banking, and trading of exhaust emission credits.
§ 91.104 - Exhaust emission standards for outboard and personal watercraft engines.
§ 91.105 - Useful life period, recall, and warranty periods.
§ 91.106 - Certificate of conformity.
§ 91.107 - Application for certification.
§ 91.108 - Certification.
§ 91.109 - Requirement of certification - closed crankcase.
§ 91.110 - Requirement of certification - prohibited controls.
§ 91.111 - Requirement of certification - prohibition of defeat devices.
§ 91.112 - Requirement of certification - adjustable parameters.
§ 91.113 - Requirement of certification - emission control information label and engine identification number.
§ 91.114 - Requirement of certification - supplying production engines upon request.
§ 91.115 - Certification procedure - determining engine power and engine families.
§ 91.116 - Certification procedure - test engine selection.
§ 91.117 - Certification procedure - service accumulation.
§ 91.118 - Certification procedure - testing.
§ 91.119 - Certification procedure - use of special test procedures.
§ 91.120 - Compliance with Family Emission Limits over useful life.
§ 91.121 - Certification procedure - recordkeeping.
§ 91.122 - Amending the application and certificate of conformity.
§ 91.123 - Denial, revocation of certificate of conformity.
§ 91.124 - Request for hearing.
§ 91.125 - Hearing procedures.
§ 91.126 - Right of entry and access.