Sure I get that we will eventually get there, if necessary. But this is a bit different than DEF. While most truck stops have DEF pumps, most gas stations do not. However, you can just buy DEF in a bottle indoors and get on your way. Hydrogen is remarkably different, and will require major refits/changes at current fuel stations or the creation of tens of thousands of new service stations.In 2010 when the federal government mandated DEF, we went from 0 DEF pumps to almost all truck stops having DEF pumps within 5 years. And it's not simple infrastructure - the DEF storage tanks, often up to 4,000 gallons, must be stainless steel and the fluid must be kept heated while in storage.
It's the same argument EV proponents use - the infrastructure will get there. And they're right - regardless of your choice of motive power, the infrastructure to support it will come online if we need it.
If the assumption is that all HD trucks will likely only be able to fuel up at truck stops, that sounds horrendous. I drive a HD truck, and the two closest truck stops are more than an obnoxious distance away from me.
I suppose it's the same argument as deploying charging station infrastructure in many ways. But it seems like a huge ask, for a small percentage of the population. I just don't get why the HD trucks don't just remain operating as they are until there is better technology available that doesn't require a nationwide deployment of an arguably ****ty fuel source.