Philips has already had car headlight bulbs that do this "radiate heat back as light" trick. They are VERY VERY bright. In fact the brightest headlights before

Philips has already had car headlight bulbs that do this "radiate heat back as light" trick. They are VERY VERY bright. In fact the brightest headlights before you go to real xeon. But they are not much more power efficient. 9011 HIR and 9012 HIR models http://store.candlepower.com/hirlighting.html http://store.candlepower.com/hirlighting.html