FT.com (registration) (blog) | Fall in Oil Prices Fails to Deter Mexico's Sierra Oil & Gas Wall Street Journal MEXICO CITY—Sierra Oil & Gas, a company born out of the liberalization of Mexico's energy sector, is aggressively participating in the first-round auction of oil blocks this year despite the sharp fall in oil prices, its chief executive said Thursday ... Guest post: Mexico's electricity sector outshines oil & gas Pemex plans to compete in Mexico's first two oil tenders |