Power grids can handle recharging if done after hours
(NEWSER) - Nighttime is the right time to plug in a hybrid, Michael Graham Richard writes in TreeHugger. If recharged after 10pm, the green cars exert less drain on power grids and may not require new power plants—meaning gas-guzzlers could be replaced without any extra pollution. But researchers at Oak Ridge National Laboratory say that if all hybrid drivers plug in at 5pm, up to 160 new plants could be needed. More»
