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Toxicity of plastic diesel exhaust in primary human airway epithelial cell cultures

Plastic pyrolysis oil, which can be produced with similar properties as diesel fuel (plastic diesel), can be used as an alternative to mineral diesel (ULSD) to run a diesel engine. This presents a potential method for recycling waste plastic. Typically plastic diesel is blended with mineral diesel, and oxygenated fuel additives such as ethers added to improve resulting fuel properties. 

Citation:
Landwehr KR, Hussam WK, Nabi MN, …….. Catchpole E, Kicic A, Larcombe AN, Mullins BJ. Toxicity of plastic diesel exhaust in primary human airway epithelial cell cultures. Chem-Biol Interact. 2026;436.

Keywords:
Alternative fuels; Diesel exhaust; Exhaust toxicity; Fuel blends; In vitro exposure model; Oxygenated fuel additives; Plastic pyrolysis oil; Waste plastic recycling

Abstract:
Plastic pyrolysis oil, which can be produced with similar properties as diesel fuel (plastic diesel), can be used as an alternative to mineral diesel (ULSD) to run a diesel engine. This presents a potential method for recycling waste plastic. Typically plastic diesel is blended with mineral diesel, and oxygenated fuel additives such as ethers added to improve resulting fuel properties.