II 115th CONGRESS 1st Session S. 1480 IN THE SENATE OF THE UNITED STATES June 29, 2017 Mr. King (for himself, Ms. Collins , Mrs. Shaheen , Mr. Merkley , and Ms. Hassan ) introduced the following bill; which was read twice and referred to the Committee on Finance A BILL To amend the Internal Revenue Code of 1986 to include biomass heating appliances for tax credits available for energy-efficient building property and energy property.