At the moment the system requires a vehicle with a capless gas tank; it can’t handle unscrewing and not losing an old-school cap. But more and more vehicles are coming standard with that option. After that, the pump carrying your selected type of fuel is inserted and your tank is automatically filled, while a vacuum shut-off system minimises any spillage.
Besides saving the driver from having to leave their vehicle or have awkward small talk with an attendant, the self-filling system is also claimed to reduce pump times by up to 30 per cent, which should help reduce lineups. So that settles the ease of pumping fuel; now if only someone would take care of the price. [Autoline via Autoblog]