II 116th CONGRESS 1st Session S. 1614 IN THE SENATE OF THE UNITED STATES May 22, 2019 Mr. Wyden (for himself, Mr. Risch , Mr. King , Mr. Crapo , Mr. Merkley , and Ms. Collins ) introduced the following bill; which was read twice and referred to the Committee on Environment and Public Works A BILL To amend the Clean Air Act to modify the definition of renewable biomass under the renewable fuel program.