Fast forward two years later and it’s been a real roller coaster ride as to whether or not Shell would proceed–especially in light of recent comments by Shell’s retiring CEO Pete Voser that the company would not be able to build all three of its previously announced big projects, which includes the PA ethane cracker (see Rumor Mill: PA Ethane Cracker Plant on Shell Chopping Block?). But several recent things have happened to indicate the PA cracker plant project is alive and well, including the announcement yesterday that Shell has extended their option to purchase the proposed plant site in PA and intends to start demolishing existing buildings on the site in early 2014…