Halogen light bulbs are a cost-effective way to light up the night. These tiny bulbs produce a lot light. They reflect better off of street signs than many other types of headlights, and give you better visibility. The best type to buy will give you the whitest color of light. Keep some spare halogen light bulbs on hand in case yours burn out while you are in the middle of nowhere. Cheap halogen light bulbs may burn out quickly, so be sure to invest in a good set. The safety of yourself and your passengers may depend it.