I drove 1800 miles in a Hydrogen Car

I love this idea, because batteries use expensive lithium batteries and we can store a lot of energy density in Hydrogen. I think one thing we could do is running enough renewables to constantly pump into making hydrogen gas. It might be wasteful, but in theory the sun makes a lot of energy already. I think the key is, how much emissions and material will be needed to get the infrastructure there and how much will it cost?