The following symbols, acronyms, and abbreviations apply to this part:
$ U.S. dollars.
CFR Code of Federal Regulations.
disp engine displacement.
EPA Environmental Protection Agency.
kW kilowatt.
L/cyl liters per cylinder.
NARA National Archives and Records Administration.
NOX Oxides of nitrogen.
SAE Society of Automotive Engineers.
SEA selective enforcement audit.
U.S. United States.
U.S.C. United States Code.