[33] Shortly thereafter, Russ Rader, the spokesman for the Insurance Institute for Highway Safety, confirmed the AAA's analysis and that "Teslas get into a lot of crashes and are costly to repair afterward" . [34][35] The following year, an analysis of claim frequency and insurance cost data by the Insurance Institute for Highway Safety conducted by financial research provider 24/7 Wall St. found that the Tesla Model S and Model X were the two most expensive vehicles to insure.[36] Musk hopes that these insurance rates will greatly decrease once driver-assist and self-driving technology become commonplace.[36]