Fog Lights / Driving Lights Well I added driving lights or fog lights as a matter of fact 4 driving lights. I'm using 100 watt aircraft landing lights mounted in rubber tractor buckets. The reason for going to this is fairly simple. I've purchased several driving / fog lights. The biggest problem is the lens in normally made from glass. Well out here in Idaho most of the road are gravel or they use gravel on the highways for traction in the win