PERTH, AUSTRALIA--February 7, 2013--Researched by Industrial Info Resources (Perth, Australia)--Australia may have seen the last of the Oil & Gas Industry mega-projects as a result of soaring costs, unexpected delays, political pressures, environmental permitting and international competition, but even when these projects are operational and producing, Australian manufacturers still face the strong possibility of domestic gas shortages and high prices as the gas heads offshore. Other companies featured: Chevron Corporation (NYSE:CVX) , Royal Dutch Shell plc (NYSE:RDS.A)