I 115th CONGRESS 1st Session H. R. 4378 IN THE HOUSE OF REPRESENTATIVES November 13, 2017 Mr. Weber of Texas (for himself, Ms. Eddie Bernice Johnson of Texas , Mr. Smith of Texas , Mr. Lipinski , Mr. Knight , and Mr. Hultgren ) introduced the following bill; which was referred to the Committee on Science, Space, and Technology A BILL To direct the Secretary of Energy to carry out the construction of a versatile reactor-based fast neutron source, and for other purposes.