[Code of Federal Regulations] [Title 40, Volume 14] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR80.52] [Page 628-629] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 80--REGULATION OF FUELS AND FUEL ADDITIVES--Table of Contents Subpart D--Reformulated Gasoline Sec. 80.52 Vehicle preconditioning. (a) Initial vehicle preconditioning and preconditioning between tests with [[Page 629]] different fuels shall be performed in accordance with the ``General vehicle handling requirements'' per 40 CFR 86.132-96, up to and including the completion of the hot start exhaust test. (b) The preconditioning procedure prescribed at 40 CFR 86.132-96 shall be observed for preconditioning vehicles between tests using the same fuel.