Columbia subject headings:
Electric power-plants--Efficiency.
Electric utilities--Government policy--United States.
Electric utilities--Law and legislation--United States.
Energy conservation--Government policy--United States.
Harvard subject headings:
Electric power-plants--Efficiency
Electric utilities--Government policy--United States.
Electric utilities--Law and legislation--United States.
Energy conservation--Government policy--United States
Energy policy--United States
Princeton subject headings:
Electric power-plants--Efficiency.
Electric utilities--Government policy--United States.
Electric utilities--Law and legislation--United States.
Energy conservation--Government policy--United States.