Complex sentence: In recent years, the town Fire Department has begun to require permits for bonfires (non-permitted bonfires are removed by the Fire Department) and have historically requested that these fires be extinguished at midnight.
Split into simpler sentences: In recent years, the town Fire Department has begun to request permits for bonfires (non-permitted bonfires are sometimes removed by the Fire Department). Historically town officials have requested that these fires be extinguished at midnight.