Last year Duke Energy acquired Piedmont Natural Gas for $4.9 billion. The purchase is a marker of the energy industry鈥檚 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.
Host Frank Stasio talks with Jason deBruyn, 吉彩网网站 data reporter, about the hunt for reliable energy.