[Code of Federal Regulations] [Title 40, Volume 18] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR91.201] [Page 311] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 91--CONTROL OF EMISSIONS FROM MARINE SPARK-IGNITION ENGINES--Table of Contents Subpart C--Averaging, Banking, and Trading Provisions Sec. 91.201 Applicability. The requirements of this subpart C are applicable to all marine spark-ignition engines subject to the provisions of subpart A of this part 91.