Plastic that might have ended up in a landfill, on a beach, or floating through a river is being turned into gasoline, diesel, kerosene, and other fuel products in Mexico. The company behind the project is Petgas, a Mexican startup using pyrolysis to break down selected plastic waste in the port city of Boca del Río.
The idea sounds almost magical at first. Take the trash nobody wants, heat it in a controlled system, and get a product that can run engines, but here is the harder question: Is this real recycling, or is it a cleaner-looking way to send plastic carbon back into the air?
Plastic becomes fuel
Petgas says its technology transforms non-recyclable plastics into products including gasoline, diesel, paraffin, kerosene, and gas. The Associated Press (AP) also reported that the company’s pyrolysis machine can produce gasoline, diesel, kerosene, paraffin, and coke from plastic waste.
That distinction matters. In everyday life, recycling usually means turning an old bottle into another bottle, a container, or at least a new material. In this case, the plastic does not return as plastic. It becomes fuel, and fuel is meant to be burned.
How the machine works
Pyrolysis is not ordinary burning. It heats plastic in the absence of oxygen, breaking long hydrocarbon chains into smaller molecules that can be separated into different fuel fractions. In practical terms, it is closer to industrial chemistry than tossing trash into a fire.
According to AP, Petgas chief technology officer Carlos Parraguirre Díaz said the machine can process about 1.5 U.S. tons of plastic per week and produce 356 gallons of fuel. The process needs propane to start, but once the reaction begins, gas produced by the system is used to keep it running.
That self-feeding design is one reason supporters see promise. Less outside energy can mean better efficiency. Still, efficiency inside the machine is not the same thing as a full environmental win.
Why the idea is attractive
The world has a plastic problem that is too large to ignore. The United Nations Environment Programme (UNEP) says the world generated an estimated 400 million metric tons of plastic waste last year, which is roughly 441 million U.S. tons.
That number is hard to picture. Think about every bottle, wrapper, shampoo container, takeout lid, and shipping film we touch in normal life, then multiply that by cities, countries, and supply chains. The pile keeps growing.
For communities dealing with dirty beaches or overloaded dumps, a machine that turns low-value plastic into usable fuel can look like a practical first step. Parraguirre Díaz told AP the machine shows “we can transform that (plastic) into a product” with value.
The carbon question
The trouble is, plastic is made mostly from fossil carbon. If that plastic becomes fuel, and the fuel is burned in a motorcycle, generator, truck, or boat, carbon dioxide still comes out at the end of the chain.
Petgas says its fuel has a lower sulfur content than comparable fuels, and the company argues that this can reduce some impacts, but lower sulfur does not erase the climate question. It mainly speaks to a different pollution problem.
That is why the debate gets so heated. The plastic may disappear from sight, which matters for beaches, wildlife, and local waste systems, but some of its environmental burden can return as exhaust, the kind drivers know from traffic jams and city streets.
Why critics are cautious
Environmental groups have long warned that some forms of “chemical recycling” can be used to rebrand plastic-to-fuel systems as recycling. The Natural Resources Defense Council (NRDC) argues that pyrolysis is often closer to incineration than circular recycling and can create hazardous waste and pollution risks.
That does not mean every pyrolysis system has the same impact. Different inputs, temperatures, emissions controls, and end products matter. Still, the warning is important because the word “recycling” can make a process sound cleaner than it really is.
There is also a policy risk. If plastic-to-fuel becomes an excuse to keep producing more disposable plastic, the system could help manage waste while leaving the deeper problem untouched. That would be like mopping the floor while the faucet stays open.
Not every plastic fits
Petgas’ approach is aimed at selected plastic streams, especially the kinds that are hard to handle through conventional recycling. That is useful, but it also sets a limit. No single machine can swallow the whole plastic crisis.
Some plastics have better recycling pathways than others. Others can create difficult byproducts or need more careful handling. This is where sorting, collection, and clear rules become just as important as the technology itself.
A good waste system does not begin at the reactor door. It begins with packaging design, public collection, clean separation, and fewer unnecessary single-use products. The boring steps matter.
Verification still matters
The key issue now is independent measurement. How much energy does the system use from start to finish? What emissions come from the process itself? What happens when the final fuel is burned?
Those answers should not come only from company claims. They need third-party testing, transparent numbers, and comparisons with realistic alternatives, including mechanical recycling, plastic-to-plastic chemical recycling, landfill disposal, and waste reduction.
In other words, the fair question is not whether Petgas can make fuel from plastic. It can. The fair question is whether doing so is better than the other available choices for each type of waste.
A tool, not a cure
Petgas may have a role for plastic that is already discarded and unlikely to become new material. In places where waste is leaking into rivers or piling up near communities, that role could be meaningful, but it should not be confused with a complete solution.
The strongest plastic strategy still starts with making less disposable waste, designing products for reuse, and improving real recycling where the material stays in circulation.
At the end of the day, turning plastic into gasoline may help with one part of the mess. It does not make the mess disappear.
The official statement was published on Petgas México’s website.
