Provisions of the Energy Independence and Security Act of 2007, signed into law by then-President George W. Bush, go into effect, banning the sale of 40-to-60 watt incandescent light bulbs throughout the nation.
由时任美国总统乔治·布什签署的《2007年能源独立和安全法案》正式生效，全国禁售40-60瓦白炽灯灯泡。