Mumbai, Feb. 22 -- India is preparing for a major thrust on the development and use of vehicles that run on compressed natural gas (CNG) and liquefied natural gas (LNG) in yet another bid to curb rising levels of vehicular pollution. The government plans to use CNG and LNG as an alternative to both diesel and petrol until auto makers develop efficient and affordable electric vehicles, as part of the move, according to the minutes of a meeting of a committee of secretaries in January, which was also attended by officials from the Prime Minister's Office. The minutes were seen by Mint. The commerce ministry's department of industrial planning and promotion (DIPP) is working on ways to expedite security and other approvals needed from the Petr...