Use of Bio Diesel in Buses

Use of Honge oil (Pongaemia Oil) is among most cost
effective & non-polluting substitute for petroleum products.

The use of Bio fuel as bi fuel with diesel in the ratio of
90:10 (Diesel: Honge Oil) has been proved to be most cost effective
even in spite of increased cost of Honge Oil at the present level.
http://www.ksrtc.org/Bio-Diesel.htm