LED http://news.stlpublicradio.org en St. Louis Experts Advise On The Big Light Bulb Switch http://news.stlpublicradio.org/post/st-louis-experts-advise-big-light-bulb-switch <p>Up until now, a 2007 federal law tightening energy efficiency standards in the country has stayed mostly under the radar. But on New Year’s Day it became illegal to manufacture or import the most popular light bulbs in the country — the 40 and 60 watt incandescent light bulbs perfected more than a century ago by Thomas Edison.</p><p>When stores sell out of their current stock of incandescent light bulbs, consumers will be forced to make the switch to LED, CFL or halogen. &nbsp;A previous phase in the law already put a halt to the manufacture or importation of the 75 and 100 watt models.</p> Wed, 08 Jan 2014 22:44:24 +0000 Camille Phillips 32855 at http://news.stlpublicradio.org St. Louis Experts Advise On The Big Light Bulb Switch