They effectively end the sale and manufacture of incandescent light bulbs. You don't have to throw away incandescent bulbs you already own, but switching could save you money. You can thank — or blame — new federal energy efficiency regulations that went into full effect Tuesday. Practical incandescent bulbs, which trace their origin to an 1880 Edison patent, can't meet those standards. How LED bulbs save energy and moneyIncandescent bulbs create illumination by running an electric current through a filament that heats it until it glows.

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Persons: —, Thomas Edison, Obama, Donald Trump, Biden, Volodymyr Plysiuk Organizations: Service, FRANCISCO, Energy Department, Energy Information Administration, Getty Locations: Wall, Silicon