According to a Utility Dive report, the U.S. Department of Energy (DOE) "wants to expand the number of light bulbs subject to federal efficiency standards, and on Tuesday issued a Notice of Proposed Rulemaking (NOPR) to bring bulbs used in about 2 billion sockets under federal regulation, including decorative fixtures, recessed and track lighting."
For more information, visit the Utility Dive website to read the original report.