US Energy Intensity Has Decreased by 50 Percent Since 1980

Energy efficiency has made major strides in the U.S. in the last 35 years, with “energy intensity” - the measurement of energy used per dollar of gross domestic product - down from 12.1 thousand Btu per dollar in 1980 to 6.1 thousand Btu per dollar in 2014, according to a new report from the American Council for an Energy-Efficient Economy (ACEEE).