LED light bulb are known for their long lifespan, but if yours aren't lasting as long, there are a few possible causes for their premature dimming.

The proposed rule would more than double energy efficiency standards for light bulbs from 45 lumens per watt to 120 lumens per watt, and said the explicit goal is to move people to LED bulbs.

In December 2022, the Department of Energy proposed a rule that would more than double the current minimum light bulb efficiency level, to over 120 lumens per watt for the most common bulbs.