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Natural gas shortages in Mexico / Lucas Davis, Energy Economics Exchange, 24/09/2012http://energyathaas.wordpress.com/2012/09/24/natural-gas-shortages-in-mexico/Whereas in the United States there are thousands of natural gas producers, in Mexico there is only one, Petróleos Mexicanos, also known as PEMEX. And, as is the case for many state-owned companies, the prices charged by PEMEX are government regulated. How? Mexico imposes price controls on natural gas by setting them equal to U.S. prices...