Key Points * Headlight brightness has doubled in a decade, with widespread driver complaints and frustration. * Regulatory loopholes allow manufacturers to increase brightness because of outdated federal standards. * Regulations capping maximum brightness for LED headlights have still not been formulated. ============================================================= Illuminated headlights on an urban street at night The Bright Headlights Crisis Is Far From Over If you find yourself squinting while driving at night, you’re not alone. The IIHS reports that average headlight brightness has roughly doubled in the last decade. The NHTSA receives growing consumer complaints regarding headlight brightness. There’s a real, widespread anger out...