II 116th CONGRESS 1st Session S. 1064 IN THE SENATE OF THE UNITED STATES April 8, 2019 Mr. Manchin introduced the following bill; which was read twice and referred to the Committee on Energy and Natural Resources A BILL To require the Secretary of Energy to conduct a study on the national security implications of building ethane and other natural-gas-liquids-related petrochemical infrastructure in the United States, and for other purposes.