Zero-Emission Truck TRU Technologies
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Last updated October 23, 2023.
The zero-emission truck TRU technologies listed below may be used to comply with the zero-emission truck TRU requirements specified in the TRU ATCM. (See 13 California Code of Regulations 2477.5 (b)). Listing of trade names does not imply CARB endorsement in any way.
Zero-emission truck TRUs are not powered by an internal combustion engine in any way. Electric power for compressors, fans, and controls may come from on-board batteries, provided they are not re-charged by an alternator or generator that is driven by the vehicle engine or powertrain, trailer wheels, trailer axle/differential, or any other contrivance that adds to the vehicle engine load. Examples of zero-emission truck TRUs include, but are not limited to, truck TRUs with refrigeration systems and/or fans that are powered by batteries when on-road and use battery chargers that are plugged into the grid while stationary or connected to on-board solar panels.
| Technology Description | Company/Model or Brand/Web Address | Contact Information |
|---|---|---|
| Dual refrigeration cycle TRU for trailer, truck, railcar, and domestic refrigerated shipping container TRU applications. Indirect liquid Nitrogen cooling through heat exchanger, and additional refrigeration cycle powered by liquid nitrogen engine/piston expander. Nitrogen exhausts to ambient air. | Clean Cold Power A2A Series | Tony Martyn +44 20 3829 0035 |
| Industrial refrigerators utilizing cold plates to keep temperature while on route. Plug in to charging station to freeze plate and recharge on-board battery that runs on-board fan. Built in pallet for van or side-bay-style trucks and trailers. | Hackney Manufacturing ColdBev | Richard Ball (252) 495-4066 |
| All-electric refrigeration systems with cold plates for truck & trailer bodies from 12 to 38 feet. Plug in while stationary to freeze cold plates and charge batteries. Single or multi-temperature available. Battery-powered electric fans distribute cold air. | Johnson Truck Bodies AE series | Eduardo Navarro (310) 418-8905 |
| All-electric refrigeration systems with cold plates for truck & trailer bodies. Plug in while stationary to freeze cold plates. Uses natural convection to cool body while on routes up to 16 hours. | Kidron Manufacturing Cold Plate System | Bruce Summers (805) 937-8597 |
Cryogenic refrigeration: Indirect injection liquid carbon dioxide; battery-powered electric fans circulate air; for truck and trailer applications. Indirect cryogenic refrigeration means cryogenic fluid flows through a heat exchanger and exhausts to ambient air, outside of the cargo space while fans blow air across the heat exchanger to cool the cargo space. | Thermo King ST-CR 300 (truck), SB-III CR (trailer) | |
| All-electric-powered refrigeration systems for truck TRUs. | Thermo King e200, e1000 | Contact Thermo King dealer |
| All-electric, plug-in refrigeration system for straight truck cargo boxes and vans, with battery pack on-road power and solar panel range extender. | Volta Air Pluto, Pluto Dual, Titan (Battery Electric Installs) |