March 8, 2019
New York Times
| United States | RRR: LEDs
Longer lasting and using 80% less power, LEDS are lighting up our world, outselling all other bulb types for the first time in 2017. At the same time, household electricity use has declined. Halogen, CFC, and traditional incandescent bulbs are all losing out to highly efficient and cheap LEDs, a veritable lighting revolution.