[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: 40CFR610.51]

[Page 1007]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 610_FUEL ECONOMY RETROFIT DEVICES--Table of Contents
 
                  Subpart E_Durability Test Procedures
 
Sec. 610.51  Mileage accumulation procedure.

    (a) Except as otherwise provided in this part, the mileage 
accumulation procedure will be that provided in 40 CFR part 86. This 
mileage accumulation schedule, or a suitable alternate procedure 
approved by the Administrator, will be used.
    (b) Fuel used in the accumulation of mileage will be commercial fuel 
available in the retail market and shall conform to the requirements of 
40 CFR part 86 for mileage accumulation fuel.
    (1) The requirements of this paragraph may be modified by the 
Administrator when it is a fuel or fuel additive that is being tested.