II 115th CONGRESS 1st Session S. 752 IN THE SENATE OF THE UNITED STATES March 28, 2017 Mr. Markey (for himself, Mr. Sanders , and Mr. Whitehouse ) 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 clarify that products derived from tar sands are crude oil for purposes of the Federal excise tax on petroleum, and for other purposes.