Your search American Petroleum Institute, Petitioner,* v. Douglas M. Costle, Administrator, and Environmentalprotection Agency, Respondents,*american Petroleum Institute and 15 of Its Member Companies,chemical Manufacturers Association, the St. Louis Regionalcommerce & Growth Association, Natural Resources Defensecouncil, et al., the State of Oklahoma, E.i. Du Pont Denemours & Co., Intervenors did not match any document.