NEW: The Trump administration just overturned a ban on incandescent lightbulbs. Backers say it will save Thomas Edison's invention; foes say it will cost Americans' $14 billion a year, and boost the the nation's carbon output.

NEW: The Trump administration just overturned a ban on incandescent lightbulbs. Backers say it will save Thomas Edison's invention; foes say it will cost Americans' $14 billion a year, and boost the the nation's carbon output. By @eilperin & @StevenMufson https://t.co/OLL0ffG0Ho

— Glenn Kessler (@GlennKesslerWP) December 20, 2019