NACFE Report on Zero-Emission Refrigerated Transport Insights

The evolution of refrigerated transport is entering a new era, one that holds the promise of reducing emissions while maintaining the integrity of sensitive cargo. With the increasing urgency around climate change and sustainability, organizations like the North American Council on Freight Efficiency (NACFE) are leading the charge in exploring innovative technologies for zero-emission refrigerated transport. This report delves into the findings from NACFE on the future of temperature-controlled transport, focusing on the transition away from traditional diesel-powered systems.

NACFE's Report on Zero-Emission Refrigerated Transport

The NACFE has published an insightful report addressing the current state and future directions of refrigerated transport. This research focuses specifically on the Transport Refrigeration Units (TRUs), also known as reefers, which are critical in maintaining the cold chain for various temperature-sensitive products.

According to the report, temperature-controlled transport is essential for a wide range of goods, including:

• Dairy products
• Frozen foods
• Meat and fish
• Pharmaceuticals
• Paints and chemicals
• Electronics

Approximately 15% of straight trucks and trailers in operation utilize TRUs, highlighting the significance of this sector in the freight industry. The role of refrigerated transport is crucial as it supports both short and long-distance shipping, ensuring that perishable items reach their destinations in optimal condition.

California's Zero-Emission Goals

One of the most ambitious regulations impacting the refrigerated transport sector comes from the California Air Resources Board (CARB). By December 31, 2029, all truck TRUs operating in California are expected to be zero-emission. This goal has garnered support within the industry, although many stakeholders remain uncertain about the timeline for adopting new TRU technologies.

Alan Gassler, a national account support and zero-emission operations analyst at PLM Fleets, noted that while customer interest in zero-emission TRUs is high, the rapid pace of technological advancements creates hesitation. Businesses are concerned about investing in technologies that may quickly become outdated.

Types of Transport Refrigeration Units

The NACFE has categorized TRUs into two primary classes:

1. Single-Temperature Units: These are designed for transporting goods that require either a completely fresh or completely frozen environment.
2. Multi-Temperature Units: These can maintain different temperature zones within a single truck, allowing for the transport of a variety of goods simultaneously.

As the industry pivots towards electric solutions, the primary method for eliminating emissions from TRUs involves replacing the diesel-fueled internal combustion engine (ICE) that powers the compressor with an electric motor. These electric transport refrigeration units (eTRUs) can either draw power from the vehicle's traction battery or utilize dedicated batteries when mounted on trailers.

Operational Considerations for eTRUs

The transition to eTRUs requires fleets to rethink their operational strategies. Rob Graff, senior technical advisor at NACFE, emphasizes the need for careful route planning to accommodate the charging requirements of eTRUs. Key considerations include:

• Minimizing energy consumption by reducing door openings during transport.
• Planning routes based on battery capacity and delivery schedules.
• Ensuring adequate charging infrastructure is in place.

Innovations like e-axles and regenerative braking are also contributing to the efficiency of eTRUs, allowing for enhanced battery life and extended delivery routes. These technologies are still developing but promise to improve the feasibility of electric refrigerated transport.

Benefits and Challenges of eTRUs

While eTRUs present numerous advantages over conventional diesel-powered units, there are both benefits and challenges associated with their adoption:

• Cost Savings: Reduced fuel costs and lower maintenance requirements are among the most significant benefits.
• Noise Reduction: Electric systems operate more quietly compared to their diesel counterparts, contributing to a more favorable urban environment.
• Environmental Impact: Transitioning to electric options aligns with sustainability goals and regulatory requirements.

However, the NACFE report also highlights several barriers to wider eTRU adoption, including:

• High initial costs associated with purchasing new technologies.
• Limited charging infrastructure in certain regions.
• Operational challenges related to battery life and route planning.

Innovative Solutions Supporting eTRUs

The NACFE report outlines various emerging solutions designed to facilitate the transition to eTRUs. These include:

• Advanced Insulation: Improved insulation methods can help maintain desired temperatures, reducing energy consumption.
• Cold Plates: Integrating cold plates into truck or trailer bodies can enhance temperature stability.
• Solar Power: Utilizing solar panels or axle-mounted generators can provide additional power to support eTRUs.

As technology continues to evolve, the potential for hybrid eTRUs is also gaining traction. These units would primarily operate on electricity but could include diesel or alternative powertrains to support longer trips.

The Future of Refrigerated Transport

While the transition to zero-emission refrigerated transport is fraught with challenges, it is also a necessary evolution in response to changing regulations and consumer expectations. The NACFE report emphasizes the importance of delivering quality refrigerated goods with significantly lower emissions. Key challenges mentioned include:

• Competing for resources while maintaining reliability and durability.
• Rapid technological advancements that can quickly render current solutions obsolete.
• Harmonizing charging standards and infrastructure to support eTRUs effectively.

As the industry moves forward, increased collaboration across stakeholders will be crucial to overcoming these hurdles. The NACFE's findings offer valuable insights into the path ahead, encouraging innovation and investment in sustainable refrigerated transport solutions.

For a deeper dive into the evolving landscape of refrigerated transport technology, you can watch the following video that discusses the advancements in electric and hydrogen trucks:

June 2025 Class 8 Truck Orders Hit Lowest Level Since 2009

ACT Research Reports Drop in Truck Orders for June

Volvo Electric Truck Achieves 5,000 Units Delivered Globally

Vocational and Tractor Demand Decreases Amid Freight Recovery Delay

If you want to know other articles similar to NACFE Report on Zero-Emission Refrigerated Transport Insights you can visit the category THERMO KING.