Hexagon Purus hydrogen storage system (left) and zero-emission fuel cell electric vehicle (FCEV) drayage truck is delivering new incoming vehicles from Toyota Logistics Services (TLS) at the Port of Long Beach, California. Source | Hexagon Purus and Toyota Motors North America (TNMA)
Hexagon Purus (Oslo, Norway) will supply components — including a full hydrogen (H2) storage system and high-voltage battery pack — to Toyota Motors North America (TMNA) for serial production of its heavy-duty fuel cell electric powertrain kits.
Hexagon Purus’s collaboration with the company started in 2017 as Toyota began development of the fuel cell electric powertrain kits for Class 8 trucks, including the proof of concept “Alpha” truck for the Port of Los Angeles, supporting the port’s efforts to reduce harmful emissions. Hexagon Purus also supported the H2-powered heavy-duty fuel cell electric truck powertrain employed in the “Ocean” trucks used in the ZANZEFF “Shore to Store” program (2020).
“We are entering a new era in our collaboration with Toyota supplying components for its fuel cell powertrain kits, to help pave the way for zero emission commercial transportation,” says Todd Sloan, executive vice president of battery systems and vehicle integration at Hexagon Purus. “Hydrogen can play a significant role in the reduction of emissions from heavy-duty transportation.”
Toyota Motor Manufacturing Kentucky (TMMK) assembles integrated dual fuel cell modules for use in H2-powered heavy-duty commercial trucks. The fuel cell kit, including the battery and H2 storage systems supplied by Hexagon Purus, will be sold to heavy-duty truck OEMs for fuel cell electric vehicle (FCEV) Class 8 trucks.
Toyota notes that it has been granted a zero-emission powertrain (ZEP) Executive Order from the California Air Resources Board (CARB) for the new heavy-duty fuel cell electric powertrain. The certification helps heavy-duty Class 8 commercial truck OEMs and operators comply with increasingly strict emissions regulations in the state of California.
To reach the 1.5°C ambition set by the 2015 Paris agreement, the transportation sector is required to reduce emissions by 75% by 2050. In the U.S., both Environmental Protection Agency (EPA) and CARB have introduced proposals and regulations that address the need for further reductions in emissions in the transportation sector.
Notably, there are approximately 1.8 million commercial trucks operating in California daily across a various set of classes including among other 219,000 Class 7 and 8 trucks. According to CARB, the combined effect from the ACT and Advanced Clean Fleet (ACF) regulations will lead to approximately 0.5 million zero-emission vehicles (ZEVs) on the road by 2035 in California, increasing to 1.6 million in 2050.
ZEV drayage trucks, Tri-gen solution
Toyota’s ZEV powertrains for Class 8 tracks are already providing a solution for ports in California. As of Jan. 1, 2024, the ACF regulation will only allow zero-emission trucks to newly register as drayage trucks. By 2035, all drayage trucks will be required to be zero emissions.
Toyota and partner FuelCell Energy Inc. (Danbury, Conn., U.S.) celebrated the opening of the Tri-gen system at the Toyota Logistics Services (TLS) distribution center at the Port of Long Beach, California on May 2, 2024.
Tri-gen
Tri-gen uses biogas to produce renewable electricity, renewable H2 and usable water.
Tri-gen produces 2.3 megawatts of renewable electricity, part of which will be used to support TLS Long Beach operations with excess electricity delivered to Southern California Edison.
Tri-gen can also produce up to 1,200 kilograms/day of H2 — this can be ramped up or down based on demand — to refuel incoming fuel cell Mirai passenger cars and supply H2 to the adjacent heavy-duty refueling station for drayage trucks at the port.
As the byproduct of H2 generation, up to 1,400 gallons of usable water per day can be produced. This can be repurposed for to was incoming new vehicles to the port before customer delivery. This helps reduce the demand on the constrained local water supplies by approximately half a million gallons per year.
In January 2024, Toyota used the renewable H2 produced at Tri-gen to fill the first Toyota Mirai passenger cars at TLS, and in April, heavy-duty FCEV Kenworth T680 Class 8 truck was filled at the adjacent Shell HD filling station using Tri-gen-produced renewable hydrogen. “This facility shows that there are ways to reduce our emissions and burden on natural resources with scalable technology based on hydrogen,” says Tom Stricker, group vice president of sustainability and regulatory affairs at Toyota.
The Tri-gen platform currently supports FCEV Class 8 trucks and is there to support on-going migration to zero-emission trucks between now and 2035.
Tri-gen is expected to help eliminate more than 9,000 tons of CO2 emissions from the power grid each year. It will also help avoid more than six tons of grid NOx emissions. Further, using H2-powered fuel cell Class 8 trucks in port operations can potentially reduce diesel consumption by more than 420,000 gallons per year.
“Tri-gen demonstrates that hydrogen-based energy can benefit businesses, deliver zero-emission transportation for light- and heavy-duty vehicles, support improved air quality in local communities, reduce water usage and deliver immediate and long-term benefits to the environment,” says Jason Few, CEO and president of FuelCell Energy Inc.
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