Fuel Excise Cut Day One: Will Retailers Actually Pass on the Savings?
The 26.3c/L excise cut takes effect today—but here's the thing about Australian retailers and price reductions. They move like feathers on the way down. Analysis of 2022, the crude oil crisis, and why the ACCC's new $100M penalties might not be enough.
The Excise Cut: $17–$19 Per Tank, Effective Today
At 12:01 AM on April 1, Australia's fuel excise halved from **52.6 cents per litre to 26.3 cents per litre**. On paper, this is substantial relief: a typical 65-litre fill-up saves approximately **$17–$19**. Toyota RAV4 owners with a 55-litre tank pocket **$14.47** less per fill. For a household doing one fill-up per week, that's roughly **$730–$990 in annual savings** (assuming prices drop immediately—which they won't).
The Federal Government is wearing a **$2.55 billion price tag** for this three-month window (1 April to 30 June). Heavy Vehicle Road User Charge also drops to zero, helping logistics and transport firms.
But here's where the cynicism kicks in: those figures assume the cut reaches pump prices **instantly and uniformly across Australia**. That's not how it works. That's never how it works.
Day One Reality: The Waiting Game Begins
On April 1, don't expect to rock up to your local servo and pay 26.3c less. Retailers operate on a stock rotation system: they sell through fuel they've already purchased at the *old* excise rate first. Only when that stock runs out do they buy new product at the lower excise—and that new product gets priced to their margin targets, not passed straight to consumers.
Metro high-volume stations (think Caltex, BP in Sydney or Melbourne CBDs) may adjust prices within days. But regional servos, independent operators, and low-traffic locations? Those are **2+ weeks away** from real relief.
Fuel doesn't teleport. A servo that fills every 3–4 days is burning through old stock slowly. A busy highway servo that fills weekly will transition faster. This creates a patchwork of prices across Australia, and guess who benefits? Retailers exploit the confusion by advertising "excise cuts passed on" while quietly maintaining fat margins on transition stock.
"Rockets and Feathers": Why Prices Spike Fast but Fall Slowly
The Australian Competition and Consumer Commission (ACCC) has a name for this: **"rockets and feathers"**. Petrol prices rise like a rocket (fast, loud, immediate), but fall like a feather (slow, quiet, grudging).
Here's the real-world example: Between 20 February and 11 March 2026—just 19 days—petrol price rises varied wildly across Australia. The ACCC found that "in many cases [retailers] have increased as fast as wholesale prices and in some cases by a greater extent." Translation: retailers pounced on wholesale price hikes faster than wholesale actually moved, padding their margin.
The ACCC also noted that **retail margins have ballooned** and are now "well in excess of retailers' costs." Pre-COVID, a typical servo margin was 3–4 cents per litre. Now? Some franchises are running 8–12 cents per litre on premium fuel. The excise cut threatens that margin cushion, so expect retailers to be *very slow* in passing savings on.
Funny how that works, isn't it?
The 2022 Precedent: 6 Weeks to Full Pass-Through
We've been here before. In March 2022, the Federal Government halved the fuel excise in response to oil price spikes triggered by the Russia–Ukraine war. The ACCC monitored that transition closely.
Result? **Up to 6 weeks** for the cut to fully reach most Australian pumps.
Metro stations (Coles Express, 7-Eleven in Sydney CBD, Mobil in Brisbane) saw relief within **3–7 days**. High-volume highway servos hit relief in **7–14 days**. But regional towns, low-volume locations, and family-owned servos? **10–14 days minimum**, with some taking the full 6 weeks.
Geography mattered too: Western suburbs (high volume, independent competition) saw quicker relief. Eastern suburbs and Northern Beaches (lower volume, less competition) dragged. One servo in the inner west might drop 30c overnight while a servo 10km away took two weeks to budge.
The ACCC even documented that *some retailers deliberately held prices high longer* to ring every last cent out of the excise change. Given that the 2022 penalty was capped at $50M and enforcement was sluggish, there was little downside to dawdling.
Crude Oil Spike: 63% in One Month—The Real Crisis
Here's what makes April 2026 different from April 2022: the underlying crude oil market is in meltdown.
**Crude Oil Price Timeline (Feb–Mar 2026):**
| Date | Brent Crude | Event | |------|---|---| | Early Feb | ~$69.41/bbl | Calm; geopolitical risk priced in, but markets settling | | Feb 20 | ~$67–70/bbl | Stable; pre-excise cut baseline | | Feb 28 | ~$77.24/bbl | US and Israeli strikes on Iranian military begin; Brent +8% | | Mar 1 | +8% jump | Iran closes Strait of Hormuz in retaliation | | Mar 5 | ~$83/bbl | Supply concerns escalate; global risk-off sentiment | | Mar 8 | $100+/bbl | **Brent surpasses $100 for first time in 4 years** | | Mar 19 | ~$166/bbl (Dubai) | **Record spike**; peak fear in markets | | Mar 27 | ~$114/bbl | Slight easing on negotiations hopes | | Mar 31 | ~$118.35/bbl | **+$49/bbl from Feb baseline = 63% monthly surge** |
**This is the biggest single monthly gain since 1988.**
To put that in Australian context: Every $1/barrel rise translates to roughly **0.1–0.15 cents per litre at the bowser**, with a 1–2 week lag. The $49/barrel surge since mid-February means Australians have already felt the pain at the pump: national average ULP jumped from ~172.9c/L (week of 22 Feb) to **~253c/L** by late March. That's an **80-cent-per-litre surge, or 46% in 5 weeks**.
The excise cut saves 26.3c. The crude oil crisis cost us 80c+. Do the math.
Pre-War vs. Now: How Far We've Fallen
January 2026 feels like a different era. National average ULP was **~$1.77 per litre**—the lowest in 8 months. Australians were actually optimistic about fuel costs. A RAV4 fill-up cost under $97.
Now? Late March 2026, and national average ULP is **~$2.53 per litre**. That same RAV4 fill-up costs **$139+**. That's a **$42 per tank increase** in just 10 weeks.
In Sydney, diesel hit **$3.00–$3.19 per litre** at some locations. Melbourne saw **$2.75+**. Perth's getting lucky at **$2.50+**. These are prices not seen since the 2008 GFC and early 2022 Russian invasion.
Here's the brutal bit: even with the excise cut, the **national average won't return to $1.77** unless crude oil drops back to ~$69/barrel **and stays there**. But the Strait of Hormuz is still contested. Iran rejected US ceasefire demands. Trump threatened to "destroy Iran's oil wells and Kharg Island" without a deal. That's not resolved in weeks; that's geopolitical scar tissue.
Pre-war prices? They're not coming back before June 30. And they definitely won't come back after.
The Fuel Supply Crisis: 36 Days and Counting
Australia holds **just 36 days of petrol supply** in emergency reserves. The target? **90 days**. We're dangerously short—roughly **one-third of what we should have**.
This matters because it means Australia has zero buffer if Middle East tensions escalate further. If the Strait of Hormuz closes even partially, Australia can't fall back on reserves; we'd burn through them in 5 weeks and face actual fuel rationing.
The International Energy Agency (IEA) co-ordinated a **400-million-barrel emergency reserve release** from member states to stabilize the market. Australia released some of its limited reserves. But every barrel released is a barrel not available if we need it later.
Meanwhile, negotiations remain contested. Trump postponed strikes on Iran's power grid to give a **10-day deadline extension** (extended to April 6), but Iran rejected sovereignty demands. The window for a ceasefire is **narrowing, not widening**.
Worst-case scenario: If the Strait stays disrupted into late April, Brent could spike past $150 again. National ULP could exceed **$2.80–$3.00 per litre**. The excise cut becomes a rounding error.
The ACCC's New Teeth: $100M Penalties and On-the-Spot Fines
The ACCC is not asleep at the wheel this time. In response to the 2022 excise cut delays and recent "rockets and feathers" behaviour, the Treasury Laws Amendment Bill 2026 **doubled maximum penalties from $50M to $100M**.
Better yet: corporations can now be fined **up to 30% of adjusted turnover** for coordinating price spikes. The ACCC also has new powers for **on-the-spot fines without court proceedings**—no waiting years for litigation.
On March 31, the ACCC sent letters to the "Big Seven" fuel retailers: **7-Eleven, Mobil, BP, Chevron, United Petroleum, Viva Energy, and EG Australia**. The message was blunt: "Demonstrate pricing transparency. We're watching. Break the law, and it gets expensive fast."
Starting immediately, the ACCC will publish **weekly price monitoring updates** tracking national and regional fuel prices, identifying outliers, and naming retailers who don't pass on the excise cut.
Will it work? Possibly. The threat of $100M fines and public shaming is real. But here's the catch: ACCC enforcement is *reactive*, not *predictive*. By the time the ACCC proves price-rigging, 4–6 weeks have passed, thousands of consumers paid extra, and the excise transition is done.
Prevention is better than punishment. Transparency would be better than fines. But expect retailers to test the boundaries.
A Quick Win Before the Long Pain: What Comes After June 30?
The excise cut is temporary. On **30 June 2026**, the full 52.6c/L excise snaps back into place unless the government extends it (politically unlikely mid-election cycle, barring a major crisis).
Here's the nightmare scenario: It's July 1, 2026. Crude oil is still at $100+/barrel because the Strait of Hormuz is still contested. The excise snaps back. National average ULP jumps from (let's say) $2.45 to **$2.71 per litre** overnight. That's a **26c/L rewind** and angry Australians just tasted lower prices for 13 weeks.
That moment—mid-winter, election cycle heating up, fuel prices spiking again—will define the political debate. But by then, the damage to household budgets is done.
The excise cut is a **tactical relief, not a strategic solution**. The real problem is crude oil, geopolitical risk, and Australia's fuel supply vulnerabilities. Those don't fix between April and June.
Practical Advice: Track Real Prices, Hold Retailers Accountable
Here's what you can actually do:
**1. Track Real Prices:** Use apps like FuelCalc, Petrolmate, or NRMA FuelCheck to monitor real prices at your local servo over the next 6 weeks. Compare your servo's prices to regional averages. If your servo is **still charging 15c+ more** than competitors 3 weeks after April 1, that's a red flag.
**2. Vote with Your Bowser:** If a servo is slow-transitioning or price gouging, fill up elsewhere. Big chains rely on convenience; indie operators rely on reputation. A servo losing customers to a competitor 2km away notices fast.
**3. Report Dodgy Pricing:** Found a servo charging $2.70/L when every competitor is at $2.48/L? Report it to the ACCC's fuel pricing portal. The ACCC uses these tips to identify patterns and build enforcement cases.
**4. Fill Up Mid-Week:** Prices often spike Thursday/Friday and dip mid-week. Filling Wednesday afternoon saves more than you'd think.
**5. Use Loyalty Programs Strategically:** Coles/Woolworths fuel discounts can add up, especially with co-branded cards. Stack 4c/L discount + 10c/L Everyday Rewards = real savings.
**6. Expect Regional Variations:** Servos in Dubbo, Lismore, or Port Hedland may take 4+ weeks to drop prices. If you're remote, watch the FuelCheck data closely; you might time a road trip to a larger town for cheaper fuel.
The excise cut is real money, but only if it reaches you. Make retailers earn the goodwill by passing it on.
The Bottom Line: A Band-Aid on a Geopolitical Wound
The fuel excise cut is **welcome and real**. Twenty-six cents per litre adds up. For a household filling weekly, it's the difference between a coffee run and putting groceries on hold.
But let's be honest: it's a **Band-Aid on a gaping wound**. Crude oil surged 63% in one month. Australia's fuel reserves are at critical lows. The Strait of Hormuz remains contested, and negotiations are stalling. The underlying crisis—geopolitical instability and energy supply—is completely unresolved.
Retailers will drag their feet passing on the cut, exactly like they did in 2022, because they can. The ACCC has sharper teeth now, but enforcement is reactive. By the time they catch wrongdoing, weeks have passed, and the transition is done.
Here's the reality: **Use FuelCalc to track prices at your local servo, compare to regional averages, and hold retailers accountable**. Fill up mid-week, use loyalty programs, and fill elsewhere if your servo is dawdling. The excise cut is *yours*—you have to *take* it.
And on June 30? Buckle up. Unless the Middle East situation resolves miraculously, fuel prices will spike again when the cut expires, and we'll be back to the crisis mindset.
Stay vigilant.
Tags: fuel excise cut, petrol prices, ACCC enforcement, Australia, 2026, rockets and feathers, fuel crisis