Wall Street Journal: Surging fuel costs are about to inflict more pain on consumers, this time in the form of rapidly rising electricity bills. Power prices are being pushed up across the U.S., with increases sometimes soaring into double digits, due to costlier coal and natural gas, the fuels used to make 70% of the nation’s electricity. BEHIND THE RISES What’s pushing up electricity rates: Soaring costs of coal and natural gas. Increase in equipment purchases by utilities. …