New twist on energy-efficient light bulbs

A coalition of private companies and government agencies is launching a grass-roots marketing campaign to persuade more Americans to help combat global warming by using energy-efficient light bulbs.

The campaign was scheduled to launch Thursday at the Tech Museum of Innovation in downtown San Jose, Calif. If every American swapped just one bulb, advocates say, the country could save $8 billion in energy costs and eliminate 2 million cars’ worth of greenhouse gas emissions.

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