Complex sentence: Arroyo Grande is home to one of ConocoPhillips'three California oil refinery's, which produces 48,000 barrels of crude oil per day and is an important part of the local economy, employing 130 full-time workers in addition to specialized contractors.
Split into simpler sentences: Arroyo Grande is home to one of ConocoPhillips' three California oil refineries. The local facility refines 48,000 barrels of crude oil per day and is an important part of the local economy, employing 130 full-time workers in addition to specialized contractors.