http://www.dawn.com/2011/06/03/pakistan-largest-cng-user-2.html
DAWN.COMDawnNews TVePaperCityFM89EventsDawn ReliefFriday 3rd June 2011 | Jumadi-us-Sani 30, 1432
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ISLAMABAD, June 2: Pakistan has become the largest user of Compressed Natural Gas (CNG) in the world...