Complex sentence: However, some agencies such as Regina Transit began purchasing used Classics due to rising costs and lack of funding for new buses until early 2014 when Regina Transit retired their last MCI Classics and became 100% Low Floor.
Split into simpler sentences: However, some agencies such as Regina Transit began purchasing used Classics due to rising costs and lack of funding for new buses. In early 2014 Regina Transit retired their last MCI Classics and became 100% Low Floor.