The new Colorado Center for Biorefining and Biofuels, C2B2, is a research venture between…businesses and the…Colorado Renewable Energy Collaboratory…A biorefinery…is based on conversion of biomass such as agricultural and forest waste…ConocoPhillips Senior Vice President of Technology…said, "…we welcome the opportunity to…advance the use of renewable fuels."…Other companies…involved…include Dow Chemical, Shell Global Solutions, GreenFuel Technologies, Range Fuels, Solix Biofuels, PureVision Technology, Copernican Energy, Rocky Mountain Sustainable Enterprises, and Blue Sun Biodiesel…biorefining…will provide alternative, domestic sources of energy…and will cut greenhouse gas emissions…