OBD

On-Board Diagnostics (OBD) is an automotive term referring to a vehicle’s self-diagnostic and reporting capability. OBD systems give the vehicle owner or repair technician access to the status of the various vehicle subsystems.

NSR

The New Source Review  (NSR) is a permitting process created by the US Congress in 1977 as part of a series of amendments to the Clean Air Act.

NSPS

The New Source Performance Standards (NSPS) are pollution control standards issued by the United States Environmental Protection Agency (EPA).

NREL

The National Renewable Energy Laboratory (NREL), located in Golden, Colorado, is the United States’ primary laboratory for renewable energy and energy efficiency research and development.

NPS

The National Park Service (NPS) is an agency of the United States federal government that manages all national parks, many national monuments, and other conservation and historical properties with various title designations.