Ha, of course it helps in the fog... i was just wondering if it helped in normal driving.
Typically fog lights are focused on low and close-to-bumper area so you can drive slow and see what's directly in front of you in heavy fog. Aiming the light relative low compared to headlight, say, means the beams will have a high angle of reflection in clear weather and this could be problematic for you or other drivers, especially on clear day with wet grounds. And lightingwise they could be disappointing if you want to use them to support your headlights.
If you want better lighting in day-to-day driving, you can consider auxilliary low beams. They're the ones you see on newer-ish car where they have two lights on the bumper when theyhave thier headlights on. Two aftermarket makers for aux. lows exists; Hella XL and Sylvania Xenarc. Unfortunately Hella XL's been discontinued and can only be found in a few places and ebay from time to time, and Xenarc are HID's to costs 400 bones or so.
If you drive in dark places and use your high beams a lot, you can consider getting driving lights. They're meant to complement your brights and could be really effective depending on your choice. But! if used inappropriately you can blind just about anyone driving past you.
There are other ways to improve your headlights efficiency if you haven't done so already; upping the wattage of your bulbs, run the headlights directly from battery via relays, polish your lenses if they're yellow and hazy or retrofitting (
![Smile :)](./images/smilies/icon_smile.gif)
). The possibilities are endless and can get one really hooked on the subject.
Eugene