Now a farmer does not have to run for diesel to water his farm. An oil extract from the seeds of a locally grown tree canfuel his pump. Researchers from the Indian Institute of Science, Banglore have discovered that Honge seed oil can function exactly like diesel and is cheapter too. The staff rom IISC at Swadeshi Mela that was opened at Hyderabad on Thursday last are demonstrating how effective the HOnge oil works.