IIT Delhi developed the flex-fuel engine know-how to be used with DME, and IOC R&D performed endurance and area trials assessments and developed the devoted engine oil with Ashok Leyland’s technical help. Developed Research Test Set-up at Department of Energy Science and Engineering (DESE), IIT Delhi








IIT Delhi campus





Researchers from the Department of Energy Science and Engineering (DESE) at IIT Delhi, Indian Oil Corporation (IOC R&D), and Ashok Leyland Ltd. have developed a know-how that permits a diesel-powered car to run in flex-fuel mode, which means it might probably run on both one hundred pc diesel or DME plus diesel. The undertaking was funded by the Indian authorities’s Department of Science and Technology (DST).












On a trial foundation, the researchers transformed a diesel-powered vehicle right into a flex-fuel car utilizing this know-how. In the presence of senior officers from IIT Delhi, IOC R&D, and auto main Ashok Leyland, Dr. Srivari Chandrasekhar, Secretary, DST; Prof. Rangan Banerjee, Director, IIT Delhi; Dr. SSV Ramakumar, Director (R&D), Indian Oil; Krishnan Sadagopan, Senior Vice President, Ashok Leyland; Prof. Sunil Kumar Khare, Dean R&D, IIT Delhi; Prof. Ok. A. Sub

IIT Delhi developed the flex-fuel engine know-how to be used with DME, and IOC R&D performed endurance and area trials assessments and developed the devoted engine oil with Ashok Leyland’s technical help. Developed Research Test Set-up at Department of Energy Science and Engineering (DESE), IIT Delhi

Because it has a better cetane quantity (58) than standard diesel, dimethyl ether (DME) is without doubt one of the various fuels for compression ignition engines/automobiles (51).












Through gasification and the Fisher-Tropsch synthesis course of, DME could be produced from biomass, coal, industrial wastes, municipal stable wastes, and black liquor (a by-product of pulp). It may also be made by catalytic methanol dehydration.

DME is often saved as a liquid, and part transitions from liquid to vapour/fuel are frequent at ambient temperatures and pressures.

Key highlights of the know-how developed by IIT Delhi, IOC R&D, and Ashok Leyland:

  • Technology for Flexible Fuel Vehicles (Vehicle can run each modes: both one hundred pc diesel or DME-Diesel mode)

  • The conversion of diesel vehicles from standard diesel to DME in its place gasoline (first part as a Flex Fuel Vehicle; second part as a 100% DME/various fuelled car)












  • Smoke/soot/PM emissions are diminished / non-existent.

  • Engine/car operation is smoother, leading to much less noise.

  • The efficiency of the transient engine has improved.

  • Increasing power safety

As a results of the numerous discount in Greenhouse Gas Emissions, the surroundings is extra sustainable.











First revealed on: 30 Apr 2022, 08:20 IST




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