Fuel System ... hose and fittings is a practice that dates back to the post-war era, when GIs returning home began applying the technology they'd observed on military aircraft to their hot rods.

fuel lines and odd-looking steel fuel-line quick-disconnect (QD) fittings. The PTFE lines are designed to create a vapor barrier and should last nearly forever, and with that, the connectors have ...

Airlines rely on fuel-efficient aircraft to ensure they can protect their bottom line. Aircraft fuel efficiency is critical to ensure the aircraft has enough 'energy' to get from A to B.