R&D research and development
RD&D research, development, and demonstration
RPS renewable portfolio standard
SAE Society of Automotive Engineers (now SAE International)
SMR steam methane reformer
SO2 sulfur dioxide
SOFC solid oxide fuel cell
SUV sport utility vehicle
USDA U.S. Department of Agriculture
VEETC Volumetric Ethanol Excise Tax Credit
VMT vehicle-miles traveled
VVT variable valve timing
WTW well to wheel
ZEV zero emissions vehicle
The National Academies of Sciences, Engineering, and Medicine
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Copyright © National Academy of Sciences. All rights reserved.
"Appendix D Acronyms and Abbreviations."
Transitions to Alternative Transportation Technologies--A Focus on Hydrogen.
Washington, DC: The National Academies Press, 2008.
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