bill_id,subject 97-s-2964,Advisory bodies 97-s-2964,Aircraft 97-s-2964,Aviation 97-s-2964,Aviation fuels 97-s-2964,Energy 97-s-2964,Federal advisory bodies 97-s-2964,Fuel 97-s-2964,Hydrogen as fuel 97-s-2964,Research and development 97-s-2964,Science and technology