> You can't just specify a diameter and go from there. You must create a seal to prevent hydrogen from leaking from the pump. It's doable, but also dangerous if you get it wrong.

Imagine the amount of people who mess up refueling an ICE vehicle. Now extrapolate that to H2 refuelling where we're dealing with a highly flammable gas in extremely high pressures.

> Electricity is already distributed. The fact that you are writing here on hacker news means you have a source of electricity that could potentially power your car.

Exactly. The BEV doubters seem to think that everyone in the world drives 600 miles without stopping for over 30 seconds every single day.

When in fact the average person could charge from a normal power outlet overnight all they need for the next day and ever a little surplus. Effectively keeping the battery full at all times, making that weekend road trip a breeze.