Complex sentence: Since 2000s (decade), the state-owned 82% of AvtoZAZ shares were trusted to Ukrainian Automobile Corporation (UkrAVTO); in 2002, the corporation bought these shares and merged AvtoZAZ with ZAZ.
Split into simpler sentences: Since 2000s (decade), the state-owned 82% of AvtoZAZ shares were trusted to Ukrainian Automobile Corporation (UkrAVTO). In 2002, the corporation bought these shares and merged AvtoZAZ with ZAZ.