[Code of Federal Regulations] [Title 40, Volume 29] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR610.35] [Page 1005] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 610_FUEL ECONOMY RETROFIT DEVICES--Table of Contents Subpart C_Test Requirement Criteria Sec. 610.35 Driveability and performance tests. If the Administrator determines that driveability and performance of a vehicle may be adversely affected by the use of a device, a number of automobiles to be determined by the Administrator will be subjected to the driveability and performance tests discussed in Sec. Sec. 610.62 and 610.63, respectively.