The final rule will more than double the required efficiency level for the most common lightbulbs, from 45 lumens (the unit of measurement for light intensity) per watt to more than 120 lumens per watt
The final rule will more than double the required efficiency level for the most common lightbulbs, from 45 lumens (the unit of measurement for light intensity) per watt to more than 120 lumens per watt