While the concept of decarbonization often brings to mind electric vehicles and renewable solutions, diesel engines continue to play a pivotal role in this transition. As fleets aim to reduce emissions, it’s crucial to understand that advancements do not solely rely on electrification. Diesel remains the backbone of the heavy-duty trucking sector, showcasing its adaptability and contribution to sustainability.
Volvo Trucks’ Diesel Engines Leading Emission Reductions
In an interview at ACT Expo, Peter Voorhoeve, president of Volvo Trucks North America, underscored the relevance of diesel. He stated, “Advanced Clean Transport encompasses more than just electric trucks; it also includes more fuel-efficient diesel trucks, which still constitute the majority.”
A major aspect of this discussion is fuel efficiency, directly affecting CO2 emissions. The latest VNL model from Volvo exemplifies this strategy. Voorhoeve pointed out that a 10% improvement in fuel economy for a truck traveling 120,000 miles annually could save about 1,300 gallons of fuel. Given that burning a gallon of diesel produces approximately 22.5 pounds of CO2, this translates to nearly 30,000 pounds less CO2 emissions per truck per year.
This advancement offers fleet managers a practical way to upgrade to modern diesel technologies, delivering environmental benefits without the complexities that come with transitioning to fully electric fleets.
Adapting to New Regulations
The evolving regulatory framework is pushing diesel engines towards enhanced cleanliness. Recently, Volvo revealed that its Variable Geometry Turbocharger (VGT) engine is in the certification process for CARB 24 Omnibus. This development allows Volvo to sell diesel trucks without the need for emission credits, marking a significant step forward. They aim to have this engine ready for market by the year’s end.
Voorhoeve explained, “While we currently comply with state regulations, we sell vehicles in California that produce 1.0 grams of NOx, necessitating credits. Once we introduce the 0.05 engine, we won’t require credits anymore, allowing for unrestricted truck sales.”
This ability to meet California’s stringent standards while maintaining performance showcases the evolution of diesel technology. This is particularly beneficial for fleets in California, providing a clear framework for compliance while continuing to utilize diesel trucks.
The Reality of Autonomous Trucks
In addition to emissions, autonomous trucking emerged as a prominent discussion at ACT Expo. Voorhoeve emphasized that autonomous trucks are beyond mere speculation; they are operational now.
He noted, “We are currently deploying the new VNL autonomous truck with customers like DHL and Uber Freight, though it still operates with a safety driver. The next milestone will be removing the safety driver.”
This gradual progression towards full production and sales signals an opportunity for fleet managers to consider integrating autonomous solutions sooner rather than later.
The Integrated Future of Heavy-Duty Trucking
The future of heavy-duty trucking is not simply a choice between electric and diesel; it presents a complex journey where diesel engines are essential alongside innovative technologies. Fuel-efficient diesel engines offer immediate emission reductions, while advancements in autonomy promise long-term enhancements in safety and operational efficiency.
Welcome to Fleet Equipment Unscripted, a video interview series that connects you with the leading minds in the heavy-duty trucking industry. This series is sponsored by Hendrickson.
