Complex sentence: Adopting a new engine would have resolved noise and fuel economy issues, and following the fall of the Ceauşescu regime, plans were made to restart production using the Rolls-Royce Tay.
Split into simpler sentences: Adopting a new engine would have resolved noise and fuel economy issues. Following the fall of the Ceauşescu regime, plans were made to restart production using the Rolls-Royce Tay.