Observer: When India's government tried to persuade cabbies, lorry drivers and auto-rickshaws to use 'green fuel', there was intense opposition. Eventually the courts stepped in and soon major cities such as New Delhi and Mumbai had a majority of public vehicles run on compressed natural gas or liquefied petroleum gas instead of highly polluting diesel oil and petrol. In December 2002, Delhi became the world's first capital to have converted its entire public transport fleet to CNG, making the ...Link From EcologicalInternet.org (Dr. Glen Barry)