A 2nd Opinion, Inc. (A2O) advises refining, petrochemical, automotive and governmental clients on regulatory, clean fuels and economic issues.

Clients benefit from president Cal Hodge's over 33 years of experience in refining and petrochemicals economics, feedstock selection, strategic planning, fuel formulations, governmental affairs, litigation, product distribution, industry analysis and regulatory compliance. Prior to founding A2O in 1998, he held positions with Amoco, Pace Consultants & Engineers and Valero Energy Corporation.