Complex sentence: Saturn dropped the "Green Line" badge for 2009 in favour of the name "Hybrid", and was expected to release a plug-in hybrid version of the two-mode hybrid platform for the 2010 model year.
Split into simpler sentences: Saturn dropped the "Green Line" badge for 2009 in favour of the name "Hybrid". Saturn was also expected to release a plug-in hybrid version of the two-mode hybrid platform for the 2010 model year.