• Diesohol is a new fuel mixture (diesel and biotethano). • Tractor performance using diesohol results is comparable with diesel. • UHC concentration was decreased using diesohol. • CO2 concentration was increased using diesohol.
•Diesohol is a new fuel mixture (diesel and biotethano).•Tractor performance using diesohol results is comparable with diesel.•UHC concentration was decreased using diesohol.•CO2 concentration was increased using diesohol.