Complex sentence: In 2004 the standard was adopted by eight gasoline distributors: first Chevron, followed by QuikTrip, Road Ranger, Kwik Trip, Conoco-Phillips, Shell, Entec Stations, and MFA Oil Company.
Split into simpler sentences: In 2004 the standard was adopted by eight gasoline distributors. Chevron was first, followed by QuikTrip, Road Ranger, Kwik Trip, Conoco-Phillips, Shell, Entec Stations, and MFA Oil Company.