Also, possibly as a result of all the Lights of America false advertising complaints.
Coming in 2011: New Labels for Light Bulb Packaging
Starting in mid-2011, the Federal Trade Commission announced today, consumers shopping for light bulbs will notice new labeling on packaging designed to help them choose among the different types of bulbs on the market – traditional incandescent bulbs, and newer high-efficiency compact fluorescent (CFL) and light-emitting diode (LED) bulbs. The new labels will enable consumers to save money by selecting the most efficient bulbs that best fit their lighting needs.
full story here: http://www.ftc.gov/opa/2010/06/lightbulbs.shtm