San Francisco Chronicle: California regulators, concerned over the proliferation of flat-panel television sets that guzzle electricity, could soon impose first-in-the-nation laws that restrict how much power televisions can consume. In some cases, televisions use more energy than refrigerators, regulators said during a legislative hearing Wednesday on a proposal to force television manufacturers to cut the power TVs use in California in half by 2013. The proposed regulation faces strong opposition by …