St. Louis actually did it twice. First iteration was a bond election to go to the TQC plan making every company a "Quint" (either a Pierce with a 50' tele-squrt or a Sp/LTI 75') with only 4-100' aerials remaining (1-at the airport). They then realized buying all rigs at the same time meant they...
Talking with a friend who worked on the LAFD project the current cost is basically twice that of a conventional engine.
$700k engine = $1.4M engine. Plus approximately $250k to modify the station for the charging system.
FEMA has been trying to minimize air transport over the past couple of years if possible. TX-TF1 is in College Station and cached for truck OR air transport like all others. During Harvey all USAR assets into Texas came by road transport organic to the team.