Complex sentence: Originally projected by proponents of the project to employee 750 people in its first two years of operation, and eventually 1,500, those jobs did not materialize and employment by FedEx at this location remains at nearly the same levels as prior to opening of the new facility.
Split into simpler sentences: Originally projected by proponents of the project to employee 750 people in its first two years of operation and eventually 1,500. Those jobs did not materialize and employment by FedEx at this location remains at nearly the same levels as before opening of the new facility.