Halogen: GE markets its halogen bulbs to ... halogens use up to 28 percent less energy than ordinary incandescents: a 100-watt replacement bulb actually consumes 72 watts, while a 60-watt ...

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, ...