Similar to サーマルリサイクル

Geothermal heat pump

Thermal efficiency

Waste heat#Power generation

Energy conservation

80 Plus

Blackle

Corporate average fuel economy

Energy-Efficient Ethernet

Green500

SpeedStep

RETScreen

Worldwide Harmonised Light Vehicles Test Procedure

Start-stop system

Earth Hour

Alkali-metal thermal to electric converter

Alcohol fuel

Power inverter

Energy-efficient driving