II 115th CONGRESS 1st Session S. 987 IN THE SENATE OF THE UNITED STATES April 27, 2017 Mr. Merkley (for himself, Mr. Sanders , Mr. Markey , and Mr. Booker ) introduced the following bill; which was read twice and referred to the Committee on Finance A BILL To transition away from fossil fuel sources of energy to 100 percent clean and renewable energy by 2050, and for other purposes.