Complex sentence: As of August 2010, there are 40 AVCs in service, all equipped with Euro V engines, except AVC2, which has a Euro IV engine due to the fact that it was a carry over chassis from the previous model year.
Split into simpler sentences: As of August 2010, there are 40 AVCs in service. All are equipped with Euro V engines, except AVC2, which has the Euro IV engine due to the fact that it was a carry over chassis from the previous model year.