Christian Science Monitor: In the most ambitious effort yet in the US to reduce greenhouse gases, California will mandate dramatic increases in automobile efficiency, cleaner fuels, and renewable power. The state’s Air Resources Board released a regulation-heavy draft plan Thursday to help implement the landmark Global Warming Solutions Act of 2006. The law, the first of its kind in the US, commits the state to cutting 30 percent of its greenhouse-gas emissions by 2020. Most emission cuts will be …