The diesel paradox: everyone wants to quit it, nobody actually can
A week of emergency oil releases, a Trump-Putin diesel deal and Australia knocking back Russian fuel forced a question worth asking straight: is diesel actually going anywhere, or is the real fight about making it cleaner?
This week alone, the G7 agreed to release 100 million barrels of emergency diesel stock. Trump struck a deal with Putin to get Russian diesel flowing again, weeks after signing sanctions against Russian energy revenue. Australia's energy minister went on television to say, bluntly, that Australia doesn't want any of it. And an old warning about diesel rationing and $4-a-litre pump prices did the rounds online again this week, dragged back out like it was breaking news, when it's actually three weeks old and its own premise has since fallen over.
Treat diesel as a dirty word in public and this is what you get: a fuel everyone claims to be moving past, propping up the global economy hard enough that governments are trading barrels like it's an oil shock.
The honest version of that story isn't "diesel's on the way out." It's that nobody's found a way to get rid of it, and the industry that could explain why keeps getting drowned out by transition talk.
Start with the numbers. The world burns through roughly 28 million barrels of diesel a day, more than any other refined fuel, ahead of petrol. Set against that, the stuff being sold as diesel's green replacement barely registers. Synthetic e-diesel, made from renewable power, water and captured carbon, exists almost nowhere at real scale. Nearly every dollar chasing that technology right now is going into aviation fuel mandates, not diesel, and Europe's own tracked pipeline of e-fuel projects has seen about 40 per cent of them abandoned or stalled before they got built.
Renewable diesel, known as HVO, made from waste cooking oil and animal fat, is the one genuine success story, and it's real: companies like Neste and Eni are producing it at serious volume, mostly for Europe and the US. But it's capped by how much used oil and tallow the world can actually collect, and once that runs short, topping it up with virgin crop oil drags the whole climate case back down. Here's the bit worth saying plainly: HVO isn't zero-carbon, it's lower-carbon, typically a 50 to 65 per cent lifecycle cut, not a clean sheet. Italy's competition regulator fined Eni five million euro in 2025 for marketing an HVO blend as "green diesel" without the numbers to back it up. Australia's own Ampol copped a greenwashing complaint over "carbon neutral fuel" claims. "Zero-carbon diesel" isn't a term with a real technical standard behind it, it's marketing, and it's already drawn regulatory blood when pushed too far.
None of that means diesel is untouchable forever. The Australian Academy of Technology and Engineering, not an industry lobby group, has mapped this properly: electrify what can genuinely be electrified, like urban freight and some mine equipment, bring hydrogen in where it makes sense, like off-grid mining and heavy ag gear, and accept that long-haul shipping, remote power and plenty of heavy machinery will be running on diesel, or something that looks a lot like it, for a good while yet. Not because anyone's attached to it, but because nothing else matches its energy density, and the infrastructure to replace it at speed doesn't exist.
That's the real story behind this week's headlines. The diesel crisis isn't a sign the fuel's dying. It's a sign the world's still entirely dependent on it, and the serious work isn't banning the word, it's cleaning up what's actually burning.
An opinion column by the Diesel Industry News newsroom.