[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: 40CFR80.51]

[Page 628]
 
                   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. 80.51  Vehicle test procedures.

    The test sequence applicable when augmenting the emission models 
through vehicle testing is as follows:
    (a) Prepare vehicles per Sec. 80.50.
    (b) Initial preconditioning per Sec. 80.52(a)(1). Vehicles shall be 
refueled randomly with the fuels required in Sec. 80.49 when testing to 
augment the complex emission model.
    (c) Exhaust emissions tests, dynamometer procedure per 40 CFR 
86.137-90 with:
    (1) Exhaust Benzene and 1,3-Butadiene emissions measured per 
Sec. 80.55; and
    (2) Formaldehyde and Acetelaldehyde emissions measured per 
Sec. 80.56.