Safe,Environmentally friendly,Intelligent,Economic 12v or 24v Diesel or Gosline For car,truck,van,boat,RV,caravan,etc. ... heating system uses the gas or diesel as the fuel, after heating the exchanger, the hot air is send to carriage, storage ... field working E) All kinds of ship, yacht. 5KW Air parking heaters diesel or gasoline heating for car truck van boat RV ...