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LSHC
low-sulfur low-aromatics high-cetane petroleum-based diesel
MMC
metal matrix composite
mpg
miles per gallon
MTBE
methyl tertiary-butyl ether
NASA
National Aeronautics and Space Administration
NHTSA
National Highway Traffic Safety Administration
NiMH
nickel metal hydride
NO
x
nitrogen oxides
NREL
National Renewable Energy Laboratory
NSF
National Science Foundation
OAAT
Office of Advanced Automotive Technologies
ORNL
Oak Ridge National Laboratory
PAH
polyaromatic hydrocarbon
PEM
proton exchange membrane
PM
particulate matter
PNGV
Partnership for a New Generation of Vehicles
PNNL
Pacific Northwest National Laboratory
POX
partial oxidation
ppm
parts per million
PSAT
PNGV Systems Analysis Tool
R&D
research and development
SAE
Society of Automotive Engineers
SBIR
small business innovation research program
SCR
selective catalytic reduction
SNL
Sandia National Laboratories
SO2
sulfur dioxide
SPCO
Silicon Power Corporation
SUV
sport utility vehicle
TACOM
U.S. Army Tank Automotive Command
ULEV
ultralow emission vehicle
ULSAB
ultralight steel auto body
ULSAB-AVC
Ultralight Steel Auto Body-Advanced Vehicle Concepts
USABC
United States Advanced Battery Consortium
USCAR
United States Council for Automotive Research
4SDI
four-stroke direct-injection