President TrumpDonald TrumpMeghan McCain: Democrats 'should give a little credit' to Trump for COVID-19 vaccine Trump testing czar warns lockdowns may be on table if people don't get vaccinated Overnight Health Care: CDC details Massachusetts outbreak that sparked mask update | White House says national vaccine mandate 'not under consideration at this time' MORE quipped at a Monday evening rally that his administration’s rollback of energy efficiency standards for lightbulbs was due to the fact that he looked better under less efficient bulbs.

"I'm not a vain person. ... But I look better under an incandescent light than these crazy lights that are beaming down," Trump told a crowd in Fayetteville, N.C., on Monday.

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The administration finalized the reversal of Obama-era efficiency standards last week, rolling back the rules for about half of lightbulbs. Critics of the move say it will hasten climate change by requiring the U.S. to produce more energy to power the less efficient bulbs.

Sen. Bernie SandersBernie SandersAngst grips America's most liberal city Democrats warn shrinking Biden's spending plan could backfire Democrats say they have the votes to advance .5T budget measure MORE (I-Vt.), whose home state is one of several that have passed state laws to keep the Obama-era standards in place, pledged to restore them at the federal level as president last week at a climate change town hall hosted by CNN.

“If you can get electricity from a lightbulb that utilizes one-tenth of the power that an old incandescent lightbulb uses, of course you're going to do that. Of course, you're going to encourage that technology,” Sanders said.