Oct. 3, 2008 - Google.org, the web giant's nonprofit arm, Wednesday unveiled a $4.4 trillion energy plan that it said would largely wean the U.S. from fossil fuels by 2030. The plan calls for halting the generation of electricity from coal and oil by 2030, instead relying on power from wind, nuclear and geothermal sources. Other elements of the plan include reducing energy use by 33% via energy-efficient technologies, boosting sales of plug-in hybrid vehicles to 90% of new car sales, and increasing the average fuel efficiency of conventional vehicles from 31 miles per gallon to 45 miles per gallon.