Nanyang100 - Plug-in hybrid cars are clean but face US hurdles

Nanyang100 - Plug-in hybrid cars are clean but face US hurdles: "The good news is that the United States should have plenty of electricity capacity to power the cars. Britta Gross, an electrical infrastructure expert for GM, said power plants have enough spare capacity to charge plug-ins on all but about the dozen hottest days of the year when air conditioning demand soars."