Fuel cost calculator

Wondering how much you could save in fuel costs by converting your truck fleet to natural gas? With our calculator, you can compare your estimated diesel cost with compressed natural gas (CNG) and liquefied natural gas (LNG) and find out what your payback period will be.

Not sure which fuel is right for your fleet? Learn more about CNG vs. LNG.

Note: all results are estimates and depend on the accuracy of the data inputted. Actual fuel costs, fuel savings and payback periods may vary.

Vehicles
Per vehicle
Per litre
Per vehicle



  • Waste hauler (CNG): $55,000 - $80,000
  • Transit bus (CNG): $35,300 - $45,000
  • General transport (CNG): $55,000 - $80,000
  • School bus (CNG): $40,700
  • Medium/heavy duty (CNG/LNG): $55,000 - $80,000

Estimated Annual Fuel Savings 2

$

FortisBC incentive 3

$

Maximum per vehicle

Payback 4

Years

Diesel

Litres for all vehicles

$

Annual cost 6


Diesel cost

Per litre

CNG/LNG

Annual litres equivalent5

$

Annual cost 6


Natural gas cost 7

$

Per diesel litre equivalent

Questions? We’re here to help. 

Discuss your fuel cost calculation with one of our natural gas fuel experts. Send us your numbers and feedback and we’ll contact you to discuss your results and answer your questions.

Email us at [email protected].

1These costs are estimates and are for illustration purposes only. These are average costs for FortisBC customers who purchased natural gas vehicles between January 2023 and January 2024. Actual prices may vary by specifications and applications.

2Fuel savings depend on factors such as load equipment type, driver performance and distance travelled, so actual savings may vary.

3Based on the incremental natural gas vehicle cost and funds available in the current round of funding.

4Based on the number of vehicles being converted, litres of natural gas fuel consumed annually, incremental natural gas vehicle costs and the estimated incentive. This payback period is an estimate and may vary.

5Assumes a 15 per cent efficiency adjustment for a natural gas engine compared to a diesel engine.

6A conversion factor of 25.87 is used to convert from the price per GJ of natural gas fuel to diesel litre equivalent (DLE) pricing. Conversion based on the GHGenius model which is based on Canadian fuel and supply sources. Annual costs do not include vehicle maintenance costs.

7This represents FortisBC’s target price. Actual costs may vary. A conversion factor of 25.87 is used to convert from the price per GJ of natural gas fuel to diesel litre equivalent (DLE) pricing. Conversion based on the GHGenius model which is based on Canadian fuel and supply sources. Rate based on a combination of fuelling station costs and the amount of fuel consumed, and includes commodity, delivery and fixed charges and carbon tax.