Last year Duke Energy acquired Piedmont Natural Gas for $4.9 billion. The purchase is a marker of the energy industry’s shift toward using natural gas to produce electricity. Supporters of natural gas say it is cheaper and burns cleaner than coal. But critics argue that methane leaks during storage and transportation, which can accelerate global warming.
Listen to the 11-minute interview on The State of Things, with Frank Stasio and Jason de Bruyn