Complex sentence: Recent rail upgrades to the Centralia Power Plant, and SO4 scrubber upgrades to ensure plant releases less pollution then a vehicle, will ensure the plant runs for at least another 15-20 years.
Split into simpler sentences: Recent rail upgrades to the Centralia Power Plant and scruber upgrades to ensure plant releases less pollution then a vehicle. Will ensure the plant runs for at least another 15-20 years.