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.
Video: The Ongoing Evolution of Heavy-duty Diesel Engine Oils
Video discusses trends around improved fuel economy and an emerging lighter viscosity fluid that is moving away from the longtime staple: 15W-40 oil
Aug 6, 2014
Latest in Management
Asphalt Contractor's Industry Training Guide 2026-2027
October 22, 2026
AI in Construction: Building Capacity, Not Replacing Workers
October 15, 2026
Asphalt Paving Handbook Adds Searchable Web, Mobile Tools
October 2, 2026

















