The use of biodiesel, made primarily from soybeans and other organic products, merits serious consideration as an alternative fuel. As dependency on foreign oil escalates, use of any energy source that is both renewable and made domestically deser ves further investigation. Biodiesel also provides a positive environmental effect, has no real handling or infrastructure

This analysis, Environmental Benefits of Alternative Fuels and Advanced Technology in Transit, summarizes the findings of work done to estimate the level of pollutant emissions produced by the current national transit bus fleet and to evaluate the potential

In Kolkata city the road transports are maintained by private and Government organization. A major work force belonged to the State Transport Corporation (KSTC), Government of West-Bengal. The pollution caused by these vehicles affects the workers health and caused different types of respiratory problems.

Diesel-run vehicle owners seemed to be losing interest in converting engines into CNG (Compressed Natural Gas), which poses a major setback for some 138 conversion workshops in the country.

The Tk 2,000 crore industry is now running under-utilized with eventual threat of becoming sick. The petrol-run vehicle owners, however, still find converting engines to CNG cost effective.