Central Asia Gas Pipeline, Ltd. (CentGas) was a consortium formed in the 1990s to develop a project to build the Trans-Afghanistan Pipeline to link Turkmenistan's abundant proven natural gas reserves with growing markets in Pakistan. The Group led by Union Oil Company of California (Unocal) and Delta Oil Company, Ltd., of Saudi Arabia had also considered an extension of the line to the New Delhi area. Regional and political instability proved too great a challenge to overcome and the project ev… (More on Centgas)