"harry" wrote in message
...
On Saturday, 30 September 2017 09:46:05 UTC+1, Chris Whelan wrote:
Steve H wrote:

Tim Streater wrote:

In article , Steve H
wrote:

Hydrogen seems sensible - you can make it on site (yes, you need a
big
electric cable - but so does a forecourt of charging stations) - you
can
fill a lightweight kevlar / carbon tank in minutes and get 500 miles
of
driving with only water / steam as the tailpipe emmissions.

What, liquid hydrogen? How many litres is that for 500 miles?

It's around 8kg of hydrogen.

Remember, these are fuel cell vehicles - they're not combusting
hydrogen
in the traditional sense (which is what many people think hydrogen cars
do)

If the production of hydrogen requires electricity, where is that
electricity going to come from?

Most hydrogen is made from natural gas.

Currently.

Hydrogen is pointless.

Even sillier than you usually manage, and thats saying something.

Every means of manufacture is very inefficient.

Thats a lie when produced directly by nukes.

It's dangerous to store and use.

But that may not be true forever with hydrides.

https://en.wikipedia.org/wiki/Hydrog...team_reforming