News bites: Coal strikes back, Santorum hits foes on climate

The CEO of utility giant American Electric Power has issued a warning: Don't count out coal. It remains the biggest U.S. power source but its share of the energy mix is dropping.

"We still need coal . . .  . If someone is trying to eliminate that, it's just not going to happen," CEO Nick Akins said. The Charleston Gazette has more.

Bloomberg looks at a new coal industry study on increased energy costs for U.S. households.

The industry is using the study in its battle against tougher EPA pollution rules.

ABC News reports that GOP White House hopeful Rick Santorum is blasting his primary opponents for their past endorsement of measures to combat climate change.

The Houston Chronicle reports that the oil-and-gas industry is on the attack over planned Interior Department regulation of hydraulic fracturing.