Many of the country’s biggest states have set up various carbon pricing mechanisms to curb greenhouse gas emissions. And while most of these programs have succeeded at lowering emissions and making money in the process, the idea is still no closer to becoming federal policy a decade after the last attempt famously died on the Senate floor. Today, POLITICO’s Debra Kahn and Anthony Adragna explain why carbon pricing isn’t gaining momentum in Washington. Anthony Adragna is an energy reporter for POLITICO and host of POLITICO Energy.Debra Kahn is an energy reporter for POLITICO.Carlos Prieto is a Politico podcast producer.Jenny Ament is the senior producer of POLITICO audio.Irene Noguchi is the executive producer of POLITICO audio. Learn more about your ad choices. Visit megaphone.fm/adchoices