As the two U.S. frontrunners in the race to launch eVTOL air taxi services navigate the rest of a year that both hope will lead to type certification and the start of deliveries, Archer and Joby released results this week that suggest they should have sufficient financial runway for commercial takeoff. At face value, Joby is the stronger of the Californian contenders with a cash and equivalents war chest valued at almost $858 million, compared with Archer’s reported $360 million tally.