U - Page 22

U.S. DOE - (United States) Department of Energy

U.S. EPA (not EPA) - United States Environmental Protection Agency

UBC - Uniform Building Code

UDC - Utility Displacement Credits

UDF - Utility Displacement Factor

UEC - Average Unit of Energy Consumption for each end use

UEG - Utility Electric Generator

ULB – Urban Local Bodies

ULSD - Ultra-Low Sulfur Diesel

UNEP - United National Environment Programme

URL - Uniform Resource Locator

URR - Ultimately recoverable resources

USC(A) - United States Code (Annotated)

USCOE - U.S. Corps of Engineers

USEPA - U.S. Environmental Protection Agency

USFS - U.S. Forest Service

USFWS - U.S. Fish and Wildlife Service

USGS - United States Geological Survey