; and (C) will demonstrate whether new techniques or technologies for environmental mitigation are— (i) practical to implement at or near multiple public-use airports; and (ii) capable of reducing noise, airport emissions, or water quality impacts in measurably significant amounts. (k) Authorization for the transfer of funds from Department of Defense (1) In general The Administrator of the Federal Aviation Administration may accept funds from the Secretary of Defense to increase the authorized funding for this section by the amount of such transfer only to carry out projects designed for environmental mitigation at a site previously, but not currently, managed by the Department of Defense. (2) Additional grantees If additional funds are made available by the Secretary of Defense under paragraph (1), the Administrator may increase the number of grantees under subsection (a). 191. Extending aviation development streamlining (a) In general Section 47171 of title 49, United States Code, is amended— (1) in subsection (a), in the matter preceding paragraph (1), by inserting general aviation airport construction or improvement projects, after congested airports, ; (2) in subsection (b)— (A) by redesignating paragraph (2) as paragraph (3); and (B) by inserting after paragraph (1) the following: (2) General aviation airport construction or improvement project A general aviation airport construction or improvement project shall be subject to the coordinated and expedited environmental review process requirements set forth in this section. ; (3) in subsection (c)(1), by striking subsection (b)(2) and inserting subsection (b)(3) ; (4) in subsection (d), by striking subsection (b)(2) and inserting subsection (b)(3) ; (5) in subsection (h), by striking subsection (b)(2) and inserting subsection (b)(3)