^^^This.Toyota is in the business of mobility. While hydrogen might not work yet for automobiles they are also working on other solutions for hydrogen. Toyota does a lot more than just building cars.
Toyota has NOT abandoned it's hydrogen vehicle development programs, quite the contrary...
https://www.topspeed.com/hydrogen-electric-vehicle-revolution-coming/
"For trucks and vans, batteries may be too heavy and have a long charging time while simultaneously straining power grids across the globe. The interest in utilizing hydrogen fuel cell technology to power these heavier vehicles is gaining momentum as fleets consider a more practical alternative."