Guardian: No TV. No internet. No air conditioning. Traffic lights off. Hospitals deprived of electricity. Tens of thousands of household fridges and freezers without power. Milk curdling. Vegetables rotting. The risks of delaying energy-saving measures have been all too apparent in a Chinese region where the authorities initiated draconian rationing last month to achieve the state’s efficiency targets. Anping County, in Hebei Province, cut electricity to homes, factories and public buildings …