Similar to メタルハライドランプ

Carbide lamp

Xenon arc lamp

Fluorescent lamp

Electric light

Sodium-vapor lamp

Incandescent light bulb

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