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Scientists turn corn cobs and wood waste into sustainable aviation fuel

What if your discarded corn cobs could one day fuel a plane? A new EU-backed project transforms agricultural waste into clean energy for aviation and shipping. The solution might just reshape how we power flights—and cut emissions for good.

The image shows a large pile of wood chips on the ground in the woods, with a few plants in the...
The image shows a large pile of wood chips on the ground in the woods, with a few plants in the background. The wood chips are scattered across the ground, and the plants are lush and green.

Scientists turn corn cobs and wood waste into sustainable aviation fuel

Researchers at Darmstadt University of Technology have successfully tested a way to turn organic waste into sustainable fuels. The method converts materials like wood pellets and corn cobs into gases that can later become aviation or marine fuel. This breakthrough is part of an EU-backed project aiming to cut emissions in hard-to-electrify transport sectors.

The process began with drying the raw materials at roughly 250 degrees Celsius. This step boosted their energy density and made them easier to transport. Around seven tons of wood pellets and nine tons of dried corn cobs were used in the trials.

Next, the dried waste was gasified to produce synthesis gas—a mix of hydrogen and carbon monoxide. This gas can then be refined into sustainable aviation fuel (SAF) or methanol for ships, using the Fischer-Tropsch method. The tests were carried out at TU Darmstadt’s pilot facility, which operates on an industrial scale. The findings will help assess the technology’s economic and environmental viability. The project, named Carbiow, focuses on turning difficult-to-recycle organic waste into cleaner fuels. Its goal is to support the decarbonisation of aviation and shipping, where electrification remains a challenge.

The demonstration shows how biogenic waste could replace fossil fuels in sectors like aviation and maritime transport. The results will now inform future investments in large-scale production. If scaled up, this approach could help reduce reliance on traditional fuels in industries with limited green alternatives.

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