Number of vehicles:
The average cost of a conversion hybrid gasoline / propane for a ''XXXXXXX'' vehicle type is XXXXXXX$ (before taxes).
This amount may vary by brand, model, type of tank to be installed and engine power.
Convert your vehicle and estimated savings: XXXXXXX $**
Payback period of the investment: XXXXXXX months
Savings over 5 years for all vehicles: XXXXXXX $**
Annual Return on Investment: XXXXXXX %