U.S. Environmental Protection Agency
Office of Mobile Sources
April 1999


MOBILE5b input and output files used for generating
Heavy-Duty Diesel Vehicle NOx and VOC inventories.  
A single set of input/output files was used for the 
baseline and control cases across all regions.

Development of the input file parameters is detailed in 
"Modifications to Heavy-Duty Diesel Emission Rates, Heavy-Duty
Mileage Accumulation, and Age Distributions for the 
Tier 2/Sulfur NPRM", Memorandum from Janet Kremer to Docket A-97-10.

The generation of Heavy-Duty Diesel emission inventories is detailed 
in "Development of Heavy-Duty Diesel Emissions
Inventories for the Tier 2/Sulfur NPRM", Memorandum
From Gary Dolce to Docket A-97-10.