Updated: Cooking oil, graphene among CO2 capture prize entry ideas

CHEYENNE, Wyo. — Cooking oil and graphene, a recently discovered substance stronger than steel, might seem to have little in common, but some theorize both could be made from carbon dioxide emitted by coal- and gas-fired power plants. Teams from Canada, China, Finland, India, Scotland, Switzerland and the U.S. have submitted 47 proposals for the […]