LOS ANGELES (AP) - A top aide to Gov. Arnold Schwarzenegger described the administration's plans to reduce California's oil dependence, calling Thursday for more conservation, fuel-efficient vehicles, and hydrogen power. Terry Tamminen, the governor's newly appointed Cabinet secretary, delivered the speech by videotape at a conference on transportation. It was sponsored by Calstart, a consortium of government agencies and private companies, including automakers. Tamminen said drivers should try to conserve fuel in the near-term, with the midterm goal of buying more fuel-efficient cars and the long-term goal of finding cleaner fuels than petroleum, including hydrogen. "Proper tire inflation, using your...