3 ms·

Hydrogen is like gasoline. Trucks and cars use the same gas pumps.

• russdill 5y ago
  You sure can, but it takes a very long time to fill a class 8 truck from a consumer gasoline pump. Doubly so for hydrogen given the slower speed.
  • dsl 5y ago
    Department of Energy regulations require hydrogen fuel stations to be able to fuel vehicles at 8-12 gallons per minute equivalent. Gas and diesel pumps (even the hi-flow truck stop ones) are capped at 10 gpm for safety.
    • russdill 5y ago
      Truck stop pumps have much larger nozzles and pump 6-10 times faster than the limit for light vehicles "and that refueling facilities are exempt from the 10gpm requirement if used exclusively to refuel heavy-duty vehicles, boats or airplanes" https://www.govinfo.gov/app/details/FR-1996-06-26/96-16205 https://www.govinfo.gov/app/details/FR-1996-06-26/96-16205 Right now the lack of standardization of high pressure, high flow rate pumps for large trucks is a problem that Nikola is working very hard to solve. The pumps that are standardized and in use right now are a major bottleneck.
    • russdill 5y ago
      It looks like current pumps fill hydrogen at a rate of about 1kg/minute. A class 8 truck would take more than an hour to fill. At they point just go BEV. https://www.nrel.gov/news/features/2020/nrel-research-fueling-big-rigs-help-hydrogen-vehicles-hit-road.html https://www.nrel.gov/news/features/2020/nrel-research-fuelin...
    • notaspecialist 5y ago
      This assumes that trucks and cars will continue to use "nozzles" and "hoses" rather than the evolution of swapping cannisters of hydrogen. If Tesla can build a mostly-robotic factory, we can make robotic hydrogen bottle-swapping refueling stations. Of course, this is a future thing, not a now thing.