Share 'What is the expected lifetime of an LED?'

Someone asked me how long LED last. I read in a LinkedIn group discussion ("Hot Buttons In Lighting") that EPA is considering lowering the ENERGY STAR requirement for LED from 15,000–20,000 to 10,000 hours to lower cost, make LED and CFL equivalent, and make LED more affordable. There are good reasons to lower the lifetime or raise it. But what do we tell people who ask? And what do you think EP…