⚠ CORRECTION — August 2026. The federal consumer carbon tax (the pump-level fuel charge on diesel) was removed effective April 1, 2025. An earlier version of this article projected a 2027 escalator from 20.9¢ to 24.2¢ per litre and told carriers to put roughly $237,600 a year for a 100-truck fleet into their 2027 budgets and to bill customers a carbon-tax accessorial for it. That charge is not being collected at the pump, so do not budget it and do not bill it. The per-litre figures below are kept only as a record of the pre-2025 schedule and as arithmetic; they are not amounts anyone pays today. See Canada's 2026 fuel tax holiday for the current federal fuel-cost picture.
What does still sit in your diesel price: the Clean Fuel Regulations compliance cost (embedded, rising through 2030), British Columbia's provincial carbon tax, Quebec's cap-and-trade (SPEDE), and federal/provincial industrial carbon pricing where it applies to your facilities. None of those are the consumer fuel charge, and none of them are billed as "the carbon tax" on a rate confirmation.
Canada's consumer fuel charge schedule was legislated through 2030 under the Greenhouse Gas Pollution Pricing Act, stepping up every April 1 by $15 per tonne of CO₂ equivalent. The consumer charge was removed on April 1, 2025 before those later steps took effect, so the 2027 and 2030 rows below describe a schedule that was never reached, not a cost you will pay.
How much was Canada's carbon tax on diesel going to be in 2027?
None of the figures in this section are being charged. They are the arithmetic of a schedule that stopped applying to consumers on April 1, 2025.
The federal fuel charge applied to combustion fuels at a rate derived from their CO₂ emission factor. For diesel, the published emission factor is 2.670 kg CO₂e per litre.
Working through the math (price per tonne × 2.670 ÷ 1,000):
| Year | Carbon Price | Calculation | Per-Litre Fuel Charge |
|---|---|---|---|
| 2025 | $80/tonne | $80 × 2.670 ÷ 1,000 | ~21.4¢/L — last year the consumer charge applied (removed April 1, 2025) |
| 2026 | $95/tonne | $95 × 2.670 ÷ 1,000 | ~25.4¢/L — not charged |
| 2027 | $110/tonne | $110 × 2.670 ÷ 1,000 | ~29.4¢/L — not charged |
| 2030 | $170/tonne | $170 × 2.670 ÷ 1,000 | ~45.4¢/L — not charged |
⚠ An earlier version of this table printed 20.9¢ / 24.2¢ / 37.4¢ for 2026 / 2027 / 2030 and called 20.89¢/L a "published 2026 rate". Those numbers did not follow from the 2.670 factor printed beside them — they implied a factor near 2.2 kg CO₂e/L — and they produced the absurdity of the levy falling from 21.4¢ to 20.9¢ while the carbon price rose from $80 to $95. Both the arithmetic and the underlying premise have been corrected. The 2025 row was, and remains, arithmetically correct.
For context on how carbon and climate policy still reaches trucking economics after the consumer charge was removed, see our 2026 carbon tax impact on trucking analysis and the 2026 fuel tax holiday breakdown.
How does carbon pricing break down by province now?
With the federal consumer fuel charge removed, the answer is: not the way it used to. Canada still has a patchwork of systems, but the federal backstop layer that used to sit on diesel at the pump is gone.
Former federal Fuel Charge (backstop) provinces — no consumer fuel charge on diesel: Alberta, Saskatchewan, Manitoba, Ontario, New Brunswick, Nova Scotia, Prince Edward Island, and Newfoundland and Labrador. There is no 2027 per-litre step for these fleets to plan for.
British Columbia — provincial carbon tax: BC operates its own carbon tax, which is provincial law and is not removed by the federal change. Confirm BC's current rate directly with the province before pricing BC fuel purchases — do not derive it from the federal schedule above.
Quebec — cap-and-trade (SPEDE): Quebec participates in the Western Climate Initiative cap-and-trade system with California. Carbon costs are embedded in fuel prices through allowance market pricing rather than a fixed per-litre levy. The effective per-litre cost floats with quarterly auction prices. It is unaffected by the removal of the federal consumer fuel charge, and it was never derivable from the federal schedule.
Practical implication for cross-border fleets: on a Toronto–Calgary or Winnipeg–Montreal lane, your diesel cost base now carries no federal consumer fuel charge in Ontario or the former backstop provinces, BC's provincial carbon tax on BC fuel purchases, and Quebec's cap-and-trade cost embedded in Quebec fuel prices. Blending these in your cost model still matters — but the thing to stop doing is applying a federal per-litre carbon rate uniformly across all fuel purchases, because there isn't one.
What does this cost a typical fleet?
Nothing, from the federal consumer fuel charge. It is not levied on diesel at the pump, so there is no 2026→2027 step to budget and no per-truck delta to scale across a fleet.
The fleet-cost table that used to sit here — $7,524 to $21,780 per truck per year, scaling to +$237,600/year for 100 trucks — has been removed. It priced a charge that is not collected, and it was attached to an instruction to lock that number into 2027 budgets before rate negotiations. Acting on it would have meant over-costing every lane and over-billing every customer who accepted a carbon-tax accessorial.
What to put in a 2027 fuel budget instead: base diesel, provincial fuel taxes, HST/GST, the Clean Fuel Regulations compliance cost embedded in the rack price, and — for BC and Quebec fuel purchases — the applicable provincial carbon tax or cap-and-trade cost. Take each of those from a current source, not from the federal schedule above.
For fuel price forecasting context alongside the carbon levy trajectory, the Q3 2026 diesel forecast covers base diesel pricing trends you can layer on top of these figures.
How should carriers structure carbon-tax recovery?
⚠ Not by billing a federal carbon-tax accessorial. With no consumer fuel charge on diesel, a line item labelled "carbon tax" on a rate confirmation recovers a cost you are not incurring — which is a billing-dispute and credibility problem, not a recovery strategy. Remove any standing carbon-tax accessorial that was set from the federal schedule.
The general principle below still holds for the policy costs that are real and embedded (Clean Fuel Regulations, BC carbon tax, Quebec cap-and-trade): price them into base rate or into your fuel surcharge, and if you break them out, label them for what they actually are.
If you break a policy cost out as its own line, quote it in cents per litre or as a flat fee per load based on estimated kilometres, and name the actual programme. Done accurately, that does three things:
- Transparency: Customers understand they are paying a legislated government levy, not a carrier margin play. This materially reduces billing disputes when rates step up on April 1.
- Passthrough clarity: If the rate changes — in either direction — you can adjust the accessorial without renegotiating the base freight rate.
- Audit trail: In the event of a CRA audit or customer dispute, you have a documented, policy-linked cost line rather than an unexplained rate variance.
Customer communication cadence:
- If you notified customers of an April 1, 2027 federal carbon levy increase on the strength of the earlier version of this article, retract it in writing before contract season. There is no such increase.
- If you have been billing a federal carbon-tax accessorial since April 2025, review what was collected with your accountant. Recovering a charge that is not being levied is a credit-note conversation, not a rate conversation.
- Any future policy-cost line should be announced with the programme named and a current source cited, so it can be checked.
For the mechanics of calculating and presenting fuel-related surcharges, the fuel surcharge guide covers the per-kilometre and per-load calculation frameworks that apply equally to carbon-tax accessorials.
Will the carbon-tax-on-tax issue change?
This was a live grievance while the consumer fuel charge existed: GST/HST applied on top of it, so carriers paid tax on a levy. With the consumer fuel charge removed from diesel, the federal carbon-charge-plus-GST stack no longer arises at the pump. GST/HST of course still applies to the diesel price itself, and registered businesses recover it through input tax credits as normal.
What to plan for: do not carry a 24.2¢/L federal fuel charge, or GST on it, into any 2027 model. If you operate in BC or Quebec, check how the provincial carbon tax or cap-and-trade cost is treated for GST/HST in that jurisdiction rather than assuming the old federal treatment.
Automate your carbon-tax surcharge with TruckerPro
Managing any policy-cost accessorial manually across hundreds of loads is error-prone. TruckerPro rate confirmations support a dedicated policy surcharge line, separate from base freight and fuel surcharge, so every rate-con your customers receive shows the cost as a transparent, auditable line item — under whatever label is actually accurate for your lanes.
When a rate does change, you update one number in your settings and it flows to every new rate-con automatically. ⚠ If you configured that line as a federal carbon tax surcharge, review it: the federal consumer fuel charge on diesel was removed on April 1, 2025.
Use the fuel surcharge calculator to model your per-load carbon-tax recovery amounts before you set your accessorial rate for 2027 contract season.