The 5 mmtpa Pluto Expansion (Train 2) liquefaction train will be developed as a brownfield expansion of the existing plant. The project site has environmental approval for a total of 12 mmtpa . Woodside has awarded a FEED contract to Bechtel to undertake front-end engineering design (FEED). For Train 2, Woodside have elected to use the Optimized Cascade process. Train 1 uses the C3MR processing technology.