As India prepares to meet the internationally mandated obligations for adopting cleaner aviation fuel by 2027, a new study has found that blending waste cooking oil with aviation fuel can significantly reduce carbon emissions.
Researchers at the Department of Aerospace Engineering, Indian Institute of Technology, Kharagpur investigated the result of blending neat Jet A-1, a kerosene based fuel used in aircraft, and neat fried cooking oil, methyl ester (FCOME). Blends with 10 percent, 20 percent, 30 per cent, 40 per cent and 50 per cent by volume of FCOME were used.
“FCOME shows approximately 37 percent reduced carbon monoxide (CO) emissions but a slight increase in nitrogen oxides (NOx) when compared to neat Jet A-1,” the researchers reported.
“Among blends, 10 percent FCOME and 90 percent Jet A-1 can be considered as an environmentally friendly fuel, as it has reduced both CO and NOx emissions, but overall, a blend with 20 percent FCOME will have optimum performance in all aspects,” the researchers said.
The research, titled ‘Combustion Study of Fried Cooking Oil Methyl Ester for Potential Additive to Aviation Fuel,’ was published in Elsevier’s Fuel, an international peer reviewed journal, on April 6.
11/04/2026 Vijay Mohan/Tribune
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