Starting in Temple, Texas, the truck completed deliveries to eight PFG customers near Dallas, travelling over 540 miles (870km) on a 16-hour continuous run, including in temperatures of over 100-degree Fahrenheit (37.7-degree Celsius). The run demonstrated the viability of on-board liquid hydrogen to fuel long-distance, zero-emission transport.

“With increased range and no added weight in comparison to our gaseous hydrogen trucks, we believe this liquid hydrogen demo run has demonstrated potential viability for the future of liquid hydrogen in commercial trucking,” said Hyzon Chief Executive Officer, Parker Meeks. “The results we captured in the strenuous demo through Central Texas’s diverse terrain and summer heat make us optimistic that, once commercialised, our liquid hydrogen vehicle powered by our proprietary 200kW fuel cell system should be able to provide a long distance range of between 650 (1046km) and 800 miles (1287km), on par with many diesel truck range requirements.”

Compared to gaseous hydrogen, the current industry standard, liquid hydrogen allows Hyzon to increase the amount of fuel on board significantly thanks to increased energy density, with no changes to vehicle weight or payload. To maintain the energy-dense liquid state, hydrogen requires cold temperatures of minus 400 degrees Fahrenheit (minus 204.4-degrees Celsius). Hyzon partnered with Chart Industries to develop a tank system capable of storing liquid hydrogen at extremely cold temperatures and delivering it to the fuel cell system at the necessary pressure.

"This is a meaningful accomplishment for the hydrogen ecosystem, as long-haul and heavy-duty transport are key end-users of liquid hydrogen,” stated Jill Evanko, Chart’s CEO and President. “Our investment in our unique cryogenic liquid hydrogen onboard tank and our liquid hydrogen test facility support progress in the hydrogen industry, with the Hyzon and PFG road demonstration another key step in the evolution of hydrogen commercialisation.”

Liquid hydrogen as a fuel source has been estimated to be up to $5 per kilogramme less expensive all-in to dispense than high-pressure gaseous hydrogen1, which would provide meaningful benefits to fleet owners.

Hyzon CEO Meeks added that “simply put, we see liquid hydrogen as the economical approach to long range zero-emission trucking”.

For vehicle testing and the demo run, the transport, storage and dispensing of liquid hydrogen were provided by Certarus, a North American leader in on-road low carbon energy solutions, with liquid hydrogen produced by Air Liquide.