"As previously announced, Rutas will receive a $4,500 USD eco subsidy per unit towards the purchase of HydroPlant units." http://hydrophi.com/2015/01/22/hydrophi-announces-1-million-initial-purchase-order-energia-vehicular-limpia-s-de-c-v-client-rutas-unidas-install-hydroplantr-units-transit-buses-mexico-city/ Subsidy comes from the government right? This subsidy is a result of smog problems in Mexicocity. I'm aware of the Ihub regulations an try to avoid party politics at anytime.