GE is going to double its investment in renewable energy from $3b to $6b; Toyota plans to offer plug-in hybrids by 2010; meanwhile, GM, which also promises a plug-in by 2010, just struck a deal with Coskata, a start-up which will be making cellulosic ethanol from waste products. [Token acknowledgement that cars are not the way of the future, Grist is car-obsessed and in the pocket of The Man, public transit is awesome, and something about the happy motoring delusional something something.]