[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: 40CFR90.101] [Page 173] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 90--CONTROL OF EMISSIONS FROM NONROAD SPARK-IGNITION ENGINES AT OR BELOW 19 KILOWATTS--Table of Contents Subpart B--Emission Standards and Certification Provisions Sec. 90.101 Applicability. The requirements of subpart B are applicable to all nonroad engines and vehicles subject to the provisions of subpart A of part 90.