Upgrade with a set of bright LED headlight bulbs. Photo credit: RomanR / Shutterstock.com If your car came from the factory ... to upgrade the factory halogen projector bulbs in a 2014 Mazda ...

Headlight technology has made huge strides in recent decades. After halogen bulbs were the standard for a long time, xenon headlights brought significantly more light onto the road in the early 1990s.