We’ve been hearing about the problem of headlight glare for more than 30 years, since automakers started using brighter xenon-based high-intensity discharge headlamps as an alternative to conventional halogen bulbs. When the industry transitioned to LED and adaptive headlamps in the 2010s, they were billed as superior and longer lasting and the beam could be more focused, ostensibly away from the eyes of oncoming drivers at night.
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