Complex sentence: The Cessna Citation M2 was launched in September 2011 as a new light business jet, it is based on the then out-of-production CJ1 variant and features a new cabin layout and a more efficient version of the Williams FJ44 engine.
Split into simpler sentences: The Cessna Citation M2 was launched in September 2011 as a new light business jet. The M2 is based on the then out-of-production CJ1 variant and features a new cabin layout and a more efficient version of the Williams FJ44 engine.