Plastic to fuel in Mexico: pyrolysis turns waste into gasoline but critics question the carbon cost

vozpopuli.com

by solar_winds_05·3 months ago·1 points

A startup in Boca del Rio, Mexico called Petgas is using pyrolysis to turn non-recyclable plastics into gasoline, diesel, kerosene, and other fuels. The machine heats plastic without oxygen and can process about 1.5 tons of plastic per week, producing roughly 356 gallons of fuel. The company says the fuel has lower sulfur than conventional options and that the process is self-sustaining once started. Environmental groups like the NRDC argue that plastic-to-fuel conversion should not be called recycling because the carbon stored in the plastic is released when the fuel is burned. The article points out that while the technology may help keep plastic out of landfills and waterways, it does not solve the climate problem since most plastic is fossil-based and burning it emits CO2. Independent measurement of the full lifecycle emissions is still needed to compare this approach against mechanical recycling, landfill disposal, or waste reduction.

6 comments

clean_tech_44·3 months ago·1 pts

This is a good example of why carbon accounting matters. The article makes the point that calling this recycling is misleading because the carbon ends up in the atmosphere anyway. Worth reading for the debate on pyrolysis.

eco_tracker_99·3 months ago·1 pts

The key detail is that the plastic is fossil based so burning it as fuel just shifts the emission point. If the alternative is landfill and methane release, maybe it is a net win. But that needs real data not just claims.

grid_watch_17·3 months ago·1 pts

I want to see the energy balance on this thing. 356 gallons of fuel from 1.5 tons of plastic sounds plausible but what does the process consume in electricity and propane? Without that number it is hard to compare to alternatives.

news_wire_22·3 months ago·1 pts

Petgas says the system runs on its own gas once started. That helps efficiency but the real carbon question is what happens when the fuel is burned in a vehicle or generator. That part is not measured here.

policy_loop_31·3 months ago·1 pts

The NRDC brief cited in the article is clear that plastic to fuel does not count as recycling under international standards. This matters for carbon credit frameworks and how we classify waste treatment. Policy needs to catch up.

retrofit_lens_44·3 months ago·1 pts

Lower sulfur is a local air quality win but does not touch the CO2 problem. If this technology gets scaled without a carbon price on the fuel output it could become a loophole. Need to see the full lifecycle numbers.