Themba Zulu Facebook ad: “Your engine wastes 20-30% of every litre. This is the…”

Ran for 19 days, from March 3 to March 22, 2026, the last day Crush saw it.
Run by Themba Zulu on Facebook. Crush is not the advertiser and does not verify its claims. See this ad in Meta's Ad Library(opens in a new tab)
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About this ad
- Meta Ad Library ID
- 793457236535567
- Platforms
- Facebook, Instagram, Audience Network, Messenger and Threads
- Relaunches
- 0
- Niche
- Finance & Trading
Ad text
I sat in my car at the petrol station for eleven minutes without getting out. The engine was still running. I was just done. This was a Tuesday in April. Nothing dramatic had happened. No final straw. Just a Tuesday where I'd pulled up to the pump and found I couldn't make myself get out. I watched other people fill up — the quick, unremarkable way they did it, nozzle in, wait, pay, leave — and I felt something I didn't have a clean word for. Not anger. Something flatter and more persistent. The feeling of someone who has been dealing with the same problem for so long that it's stopped feeling like a problem and started feeling like the weather. Permanent. Impersonal. Not something that could change. I'd been doing the mental arithmetic every week for twenty-two months. Not crisis arithmetic. More like the background hum of a calculator that never turns off. Petrol plus rent plus groceries, in various combinations, producing a number that was always slightly too close to the edge. I put R200 in and drove home. That night I was awake at 2AM the specific way I'd been awake several nights a month for nearly two years — not anxious exactly, just present. I picked up my phone and started reading. Not for any particular reason. Just because it was better than lying there calculating. I ended up on a personal finance forum — not a social media post, a proper forum with people who'd been thinking carefully about money for years. Someone had posted about the psychology of fuel anxiety. About how the specific distress of the petrol station wasn't really about money in the end — it was about having absolutely no agency. The pump runs. The number climbs. You stand there with your hands in your pockets and there is nothing you can do about any of it. That was exactly it. Then they mentioned something that stopped me mid-scroll. They'd found a variable they didn't know existed. The post linked to fleet management data — commercial logistics reports, not written for a general audience. I followed the link and started reading. What I found was a framework I'd never encountered. Commercial fleet operators don't focus on price per litre — they focus on combustion efficiency. How much of each litre actually converts to useful movement, versus how much exits the engine as incompletely burned waste. The reports were specific: real-world engines, especially those with mileage on them, don't achieve complete combustion. Carbon deposits accumulate and interfere with ignition. Fuel quality varies. The result is that 20 to 30% of the energy in each litre of fuel exits the engine as unburned waste. You paid for it. You didn't drive on it. Fleet operators address this with catalyst technology — devices fitted to the fuel line that improve combustion completeness on every cycle. Their data was consistent: 8 to 13% improvement in real-world fuel consumption. I lay in the dark after reading that. I'd been thinking about my fuel cost as a price problem — one variable I couldn't change. The fleet data described it as two variables. Price: uncontrollable. Combustion efficiency: addressable. For twenty-two months I'd applied every effort to the uncontrollable variable and never looked at the one that was actually mine. I ordered FuelMaster at 2:47AM. Fitted it that weekend — it plugs directly into the cigarette lighter port. No installation. No mechanic. Nothing to adjust. I tracked it. Same routes, same measurements, five weeks. The fuel consumption improvement was real and consistent — I was getting noticeably further on every tank. But here's what I didn't expect. The Tuesday dread went away. Not because the price changed. Because there's now a variable in the equation that belongs to me. When I pull into the garage, I'm not completely passive. My car is burning fuel more efficiently than it was before. That's mine. That's something I changed. The price is still what it is. But I'm not just standing there with my hands in my pockets anymore. FuelMaster. 60-day money-back guarantee. Fits petrol and diesel. → See how it works: https://www.sunrize.co.za/fuelmaster/adv
Where the ad sends people
sunrize.co.za
Your engine wastes 20–30% of every litre. This is the variable nobody told you about.
The South African spend over R1,800 on fuel annually – a large portion of this money is unnecessarily wasted due to hidden inefficiencies in every car. With rising fuel prices, frequent gas station stops, and engines that literally burn through your money, driving has become a real financial night...
Learn more: sunrize.co.za(opens in a new tab)








