New Delhi, Oct. 6 -- An expert panel constituted by India's downstream petroleum regulator recommended bringing petrol, diesel and aviation turbine fuel under the ambit of the Goods and Services Tax regime to facilitate inter-state movement of transport fuels through pipelines instead of roads to reduce logistics cost and carbon emission. And till this is done, " CST [central sales tax] may be abolished / brought to 'nil' as originally proposed in the budget of 2007 (which proposed to reduce it from 4% to nil in four years)," the seven-member committee, constituted by the Petroleum and Natural Gas Regulatory Board (PNGRB), said. While the Narendra Modi government on July 1, 2017 rolled out the GST regime across the country, petrol, diesel a...