Algae a winner in Elon Musk-funded greenhouse gas contest

  • FILE - Tesla CEO Elon Musk, left, shakes hands with XPRIZE founder and Executive Chairman Peter Diamandis during an XPRIZE presentation event in Los Angeles, May 15, 2019. From algae farming to producing a sort of artificial limestone, ideas for reducing greenhouse gas in the atmosphere are getting a funding boost from famed entrepreneur Musk. The Tesla electric vehicle and SpaceX rocket company developer is bankrolling a $100 million XPRIZE Carbon Removal competition for the most promising ways to reduce atmospheric carbon dioxide by grabbing the gas right out of the air. (AP Photo/Marcio Jose Sanchez, File)

CHEYENNE, Wyo. — From algae farming to producing a sort of artificial limestone, ideas for reducing greenhouse gas in the atmosphere are getting a funding boost from famed entrepreneur Elon Musk.