Hydrogen is not a dead end. It might be impractical for most of the car market for a variety of reasons, but is showing a lot of promise and looking like the on

Hydrogen is not a dead end. It might be impractical for most of the car market for a variety of reasons, but is showing a lot of promise and looking like the only real contender for commercial vehicles, aviation and shipping. All places where there either isn't the volume or the capacity to carry the weight of batteries required for the range needed, by orders of magnitude, so it's unfeasible that battery tech breakthroughs would make a meaningful difference.