Last Year, the US Economy Was More Energy Efficient Than Ever Before, and 2.5X More Energy Efficient as in 1970 When Earth Day Started.

Last Year, the US Economy Was More Energy Efficient Than Ever Before, and 2.5X More Energy Efficient as in 1970 When Earth Day Started. @EnergyTomorrow pic.twitter.com/eZVsmVCCnd

— Mark J. Perry (@Mark_J_Perry) April 3, 2018