Video: The Ongoing Evolution of Heavy-duty Diesel Engine Oils

Fleet Maintenance editor David A. Kolman caught up with Chris Guerreo, Shell Lubricants' global brand marketing manager for Rotella Diesel Engine Oil, to converse about the ongoing evolution of heavy duty diesel engine oils. The discussion includes the trends around improved fuel economy and an emerging lighter viscosity fluid that is moving away from the longtime staple: 15W-40 oil.