Mercury News: Hoping to add “green” jobs to a beleaguered state economy, California lawmakers are poised to take up new rules dramatically increasing the amount of renewable power used in the state over the next 10 years. But while that broad, if ambitious, target – 33 percent by the end of 2020 – has attracted widespread support from utilities, regulators and lawmakers, deep divisions remain over how best to achieve it and how much it might cost. And time is running out to forge an …