So according to the Environmental Protection Agency, swapping your old incandescent bulbs for the latest eco-friendly technology can reduce energy use by 50 to 75%.

• 所以根据美国环境保护局的说法，用你旧的白炽灯泡来换取最新款的对生态环境友好的技术可以减少使用50%25到75%25的能源消耗。