Biodiesel-powered Trains in India

NewsToday:

"Following the directive of the Railway Board to all zonal railways in the country to try using bio-diesel as an alternative to petrol-diesel for its locomotives and vehicles owned by the railways, the Loco Works Department at the Integral Coach Factory in Chennai had started using bio-diesel for its three vehicles (one van and two jeeps) from today..."

"Bio-diesel, which is developed at a plant specially commissioned for the purpose at ICF, uses a process called esterification to convert plant seed oil into bio-diesel. The oil is collected from the seeds of the plants Jetropha and Karanjia (Pungam), which are perennial and need less water for cultivation."