[Code of Federal Regulations]

[Title 40, Volume 16]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR80.59]



[Page 664]

 

                   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.  80.59  General test fleet requirements for vehicle testing.



    (a) The test fleet must consist of only 1989-91 MY vehicles which 

are technologically equivalent to 1990 MY vehicles, or of 1986-88 MY 

vehicles for which no changes to the engine or exhaust system that would 

significantly affect emissions have been made through the 1990 model 

year. To be technologically equivalent vehicles at minimum must have 

closed-loop systems and possess adaptive learning.

    (b) No maintenance or replacement of any vehicle component is 

permitted except when necessary to ensure operator safety or as 

specifically permitted in Sec.  80.60 and Sec.  80.61. All vehicle 

maintenance procedures must be reported to the Administrator.

    (c) Each vehicle in the test fleet shall have no fewer than 4,000 

miles of accumulated mileage prior to being included in the test 

program.



[59 FR 7813, Feb. 16, 1994, as amended at 59 FR 36962, July 20, 1994]



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