This time there is a free lunch. But it will cost upfront. Once solar panels, geo heat exchange, plugin hybrids, wind machines, smart grid storage, and biogas backup pay for themselves with savings. All the energy after that is free.   more »

Where will we get all those economy plugin hybrid cars? There is already a shortage of just plain economy cars. 17 million cars are replaced per year in the US. It would take about 20 years at that pace, to switch them all for plugin hybrids. No problem. That is fast enough.   more »