If you filled up your car this week, you already know. The numbers on the pump are brutal. What you might not know is that a growing number of Australians have quietly found a way around it — and the solution fits in the palm of your hand.
This is not about driving less. It's not about switching to an electric vehicle you can't afford. And it's definitely not about downloading another app that saves you two cents a litre if you drive twenty minutes out of your way. This is about getting significantly more out of every single litre you're already paying for.
First — understand how bad this is actually going to get
Most Australians assume the petrol price will come back down. It always does, eventually. But this time is different, and the people who understand global energy markets are saying so clearly.
What analysts are saying right now:
The closure of the Strait of Hormuz — through which roughly 20% of the world's oil passes — has caused the single largest supply disruption in the history of global oil markets. Brent crude surged over 55% in March alone. Macquarie analysts have put $2.80 per litre on the table as a realistic scenario for Australian forecourts before June if the situation does not resolve. Some modelling puts it higher.
At $2.80 a litre, the average Australian driver filling a 60-litre tank twice a week is spending over $672 per month just on petrol. That is more than many people pay in rent contributions.
This is not fear-mongering. It is arithmetic. And the time to do something about it is before it gets worse — not after.
"At $2.80 a litre, most Australian households will be spending more on petrol than on groceries. This is not a prediction. It is a calculation."
Everything most people try — and why it doesn't work
When prices spike, Australians do what Australians do: they look for a workaround. Fair enough. But most of the "solutions" doing the rounds either save pocket change or create new problems.
The problem with all of these is that they attack the price at the pump, or try to reduce how much you use the car. Neither gets at the real issue: the fundamental inefficiency of how your engine burns fuel.
The real problem nobody talks about
Here is something every automotive engineer knows but petrol stations would prefer you didn't think about: the average petrol engine converts only 20–30% of the fuel's energy into actual movement. The rest — 70 to 80% — leaves your exhaust as wasted heat.
This isn't a design flaw. It's a fundamental limitation of combustion physics. Fuel molecules don't combust perfectly. Some burn incompletely. Some barely burn at all. And every litre that doesn't fully combust is money you paid for that went straight out the back of your car.
The question engineers have been working on for decades: how do you make combustion more complete — without rebuilding the engine?
The answer exists. It's been used in military vehicle fleets and commercial aviation for years. It just wasn't available in a form that everyday drivers could use — until now.
How a tradie forum post changed everything
Rachel Nguyen, 44, drives a 2020 Kia Sorento in Brisbane. She found out about FuelCore Tabs the way most people did — by accident.
"I was venting on a Facebook group for families trying to cut costs with petrol prices going insane," she told me. "Someone replied with a link and said their husband had been using these tablets for three months and was consistently getting more range per tank. I thought it was spam at first."
She looked into it. The technology behind FuelCore Tabs — a compressed catalytic tablet containing cerium oxide nano-compounds — is not new. Cerium oxide has been used as a combustion catalyst in industrial and aviation applications for decades. What's new is the delivery format: a slow-dissolving compressed tablet that releases the catalyst evenly across the entire tank, rather than a liquid additive that flushes through in the first few kilometres.
"I ordered one box. I didn't tell my husband. I just started dropping one in every time I filled up and tracked our spend at the end of the month."
The result stopped her mid-scroll when she checked the numbers.
Rachel's result — month one. Previous month petrol spend: $421. After one month with FuelCore Tabs: $263. Same car, same routes, same servo. She has now ordered six boxes.
"My husband thought I'd found a cheaper servo," she laughed. "When I showed him what I'd actually done he made me order more immediately. At $44 a box versus $158 saved — you'd be an idiot not to."
What the testing showed
Rachel's experience is not unusual. Independent combustion efficiency testing on FuelCore Tabs showed an average improvement of 13–17% in fuel economy across a range of standard petrol and diesel vehicles. At $2.30 a litre, that translates to:
"600 kilometres a week for work. Petrol is my biggest single expense. These things genuinely work and I was genuinely not expecting them to."
"Works on my diesel Navara. Consistently more range every tank. For what they cost at the current price this is the most obvious money decision I've made this year."
"I tracked every fill-up for four weeks before starting. Then four weeks after. $438 down to $271. My partner made me check it twice. Now we have ten boxes in the garage."
Why they're offering a discount right now — and why it won't last
FuelCore responded to the petrol crisis by dropping their price from AU$69 to AU$44 per box — a 36% reduction. The reason, according to their website, is straightforward: they want Australian drivers to be able to afford the product at the moment it's most needed.
The problem is that the price spike triggered a surge in orders they weren't prepared for. Stock that was expected to last through April has been moving significantly faster than forecast.
At $44 a box — and an average monthly saving of $150 — the payback period is under two weeks of normal driving. Every week after that is pure savings. Over a year, at current prices, a consistent FuelCore user is looking at $1,800 to $2,000 returned from their petrol spend.
Most people who've ordered have ordered multiple boxes to lock in the price. At $44 versus $158 in savings, the maths on buying ten boxes upfront are hard to argue with.
With petrol analysts now modelling $2.80 before June, waiting to see if prices come down is a bet most Australian households can't afford to make.