The first stage, which took effect from 2012 to 2014, targeted "A-type" incandescent light bulbs, requiring them to use 25-30% less energy ... of 45 lumens per watt. This led to the phase-out ...
The first stage, which took effect from 2012 to 2014, targeted "A-type" incandescent light bulbs, requiring them to use 25-30% less energy ... of 45 lumens per watt. This led to the phase-out ...