California Gov. Brown signs ambitious renewable energy mandate into law
Thursday, April 14, 2011 - 13:20
in Physics & Chemistry
California's clean-tech economy took center stage Tuesday at SunPower's solar manufacturing facility in Milpitas as Gov. Jerry Brown signed into law an ambitious mandate that requires the state's utilities to get 33 percent of their electricity from renewable sources such as geothermal, wind and solar by 2020.