America’s biggest oil companies knew about greenhouse effect and their industry’s impact on the environment for years before the science was widely known. But what they did once they had this information is now up for questioning before the House Oversight Committee. Today, POLITICO’s Ben Lefebvre, on what House Democrats want to find out, and the impact it could have on the oil industry’s political influence. Ben Lefebvre covers energy for POLITICO.Annie Snider covers environment issues for POLITICO and is the host of POLITICO Energy. Carlos Prieto is a Politico podcast producer.Raghu Manavalan is the host-producer of the Playbook Daily Briefing and a senior editor for POLITICO audio.Irene Noguchi is the executive producer of POLITICO’s audio department. Learn more about your ad choices. Visit megaphone.fm/adchoices