Organic gas is threat to OPEC, ExxonMobil By: CNBC.com News June 17, 2014 at 06:00 AM EDT Cool Planet Energy Systems doesn't plan to reduce climate change, but reverse it, using a virtuous corn cycle: from farm to drop-in fuel to farm. Read More >> Related Stocks: BP Plc ADR Chesapeake Energy ConocoPhillips Exelon Corp Exxon Mobil