Filippini, Massimo; Hunt, Lester C - Surrey Energy Economics Centre (SEEC), School of Economics - 2015
The promotion of US energy efficiency policy is seen as a very important activity. Generally, the level of energy … efficiency of a country or state is approximated by energy intensity, commonly calculated as the ratio of energy use to GDP …. However, energy intensity is not an accurate proxy for energy efficiency given that changes in energy intensity are a function …