; (2) NASA; (3) the Department of the Air Force; and (4) other Federal agencies, as determined by the Secretary. (c) Prohibition on duplication The Secretary shall ensure that activities conducted under this section do not duplicate other Federal programs or efforts. (d) Savings clause Nothing in this section shall be construed as granting the Environmental Protection Agency additional authority to establish alternative fuel emissions standards. (e) Briefing Not later than 1 year after the date of enactment of this Act, the Secretary shall provide to the covered committees of Congress a briefing on the results of the review of coordination efforts conducted under this section. 1021. Air traffic surveillance over United States controlled oceanic airspace and other remote locations (a) Persistent aviation surveillance over oceans and remote locations Subject to the availability of appropriations, the Administrator, in consultation with the Administrator of NASA and other relevant Federal agencies, shall carry out research, development, demonstration, and testing to enable civil aviation surveillance over oceans and other remote locations to improve safety. (b) Report Not later than 1 year after the date of enactment of this Act, the Administrator shall submit to the covered committees of Congress a report on the activities carried out under this section. (c) Rule of construction Nothing in this section shall be construed to duplicate existing efforts conducted by the Administrator, in coordination with other Federal agencies. 1022. Aviation weather technology review (a) Review The Administrator, in consultation with the Administrator of the National Oceanic and Atmospheric Administration, shall conduct a review of current and planned research, modeling, and technology capabilities that have the potential to— (1) more accurately detect and predict weather impacts to aviation; (2) inform how advanced predictive models can enhance aviation operations