See https://en.m.wikipedia.org/wiki/United_States_lighting_energy_policy#Energy_Independence_and_Security_Act_of_2007 https://en.m.wikipedia.org/wiki/United_Sta

See https://en.m.wikipedia.org/wiki/United_States_lighting_energy_policy#Energy_Independence_and_Security_Act_of_2007 https://en.m.wikipedia.org/wiki/United_States_lighting_energ... The phaseout was defunded.