In term of energy cost, you can always reduce the cost

来源: 于 2007-07-24 13:02:24 [旧帖] [给我悄悄话] 本文已被阅读：次

by technology improvement. But you can never reduce the cost of human life the property damages.

Latest Audi A8 LED DRL uses 10w, as oppose to 150W of the normal HID Xenon lights. That, I think, is a price people will have no problem to swallow.