By Deb Riechmann, AP Writer

President Bush says he wants to diversify the nation's energy mix to end America's dependence on foreign oil, yet some critics are wary of his commitment and point to cutbacks at a government energy laboratory here.

Two weeks ago, 32 workers, including eight researchers, were laid off at the Energy Department's National Renewable Energy Laboratory in Golden. The lab helps develop the very renewable energy technologies the president is promoting.

Then, over the weekend, just before Bush's planned visit to the lab on Tuesday, the government restored the jobs. His trip to the renewable energy laboratory is part of a two-day, three-state trip to promote the energy proposals he outlined in his State of the Union address.

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