AE - Air Efficiency HE - High Efficiency WE - Water Efficiency EE - Energy Efficiency QE - Quantum efficiency XE - Extreme Efficiency EF - Efficiency for Free EQ - Efficiency Quotient NFE - Net Feed Efficiency THE - The High Efficiency WUE - Water Use Efficiency ES - Efficiency and Speed HEP - High Efficiency Pump ME - Metabolic efficiency PAE - Power and Efficiency WPE - Wall Plug Efficiency ED - Efficiency Decoration E.D. - Efficiency Decoration UHE - Ultra High Efficiency BEP - Best Efficiency Point DEI - Dose Efficiency Index EE - Engineered Efficiency EEO - Energy Efficiency One EHE - Extra High Efficiency FER - Feed Efficiency Ratio THE - Touts High Efficiency VE - Volumetric efficiency WEF - Water Efficiency Fund WET - Water Efficiency Team XHE - Extra High Efficiency HWE - High Wiping Efficiency GTE - Gas Turbine Efficiency EEF - Energy Efficiency Fund HET - High Efficiency Toilet PUE - Power Usage Efficiency BEP - Best Efficiency Points BFE - Ball Flight Efficiency CFE - Cobalt Fuel Efficiency DCE - Data Center Efficiency DTE - Diesel Trap Efficiency ECN - Efficiency Cotco's New EEA - Energy Efficiency Asia EEP - Energy Efficiency Plan EGS - Efficiency Gain System EHE - Enviro High Efficiency EPP - Efficiency Power Plant ESC - Efficiency Santa Clara FBE - Fish Bypass Efficiency HEU - High Efficiency Urinal PAE - Power added efficiency