In this week’s episode, senior editor Kerry Lynch gives an update on the X-59, a NASA supersonic boom X-plane demonstrator that could pave the way for supersonic flight over land, as well as a new partnership between Aerion Supersonic and Carbon Engineering to produce fuel from carbon dioxide extracted from the air; staying on the alternative fuels theme, senior editor Curt Epstein explains a new ASTM process that converts trash to biofuel; and editor-in-chief Matt Thurber discusses FlightAware’s new tie-up with Microsoft to provide live aircraft traffic for the latter company’s new Flight Simulator software that will be released next year.