[Code of Federal Regulations]
[Title 40, Volume 16]
[Revised as of July 1, 2008]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR80.50]

[Page 687]
 
                   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. 80.50  General test procedure requirements for augmentation
of the emission models.

    (a) The following test procedure must be followed when testing to 
augment the complex emission model described at Sec. 80.45.
    (1) VOC, NOX, CO, and CO2 emissions must be 
measured for all fuel-vehicle combinations tested.
    (2) Toxics emissions must be measured when testing the extension 
fuels per the requirements of Sec. 80.49(b) or when testing addition 
fuels 1, 2, or 3 per the requirements of Sec. 80.49(a).
    (3) When testing addition fuels 4, 5, 6, and 7 per the requirements 
of Sec. 80.49(a), toxics emissions need not be measured. However, EPA 
reserves the right to require the inclusion of such measurements in the 
test program prior to approval of the test program if evidence exists 
which suggests that adverse interactive effects of the parameter in 
question may exist for toxics emissions.
    (b) The general requirements per 40 CFR 86.130-96 shall be met.
    (c) The engine starting and restarting procedures per 40 CFR 86.136-
90 shall be followed.
    (d) Except as provided for at Sec. 80.59, general preparation of 
vehicles being tested shall follow procedures detailed in 40 CFR 86.130-
96 and 86.131-96.

[59 FR 7813, Feb. 16, 1994, as amended at 71 FR 74567, Dec. 15, 2005]