On 21/08/2019 04:24, Andy Burns wrote:
Steve Walker wrote:

Andy Burns wrote:

Is it practical to add a odorant to H2 similar to natural gas?

Easy enough to do

I wondered if hydrogen molecules were too small or light to carry a
tracer with them?

but it is also easy within fueling stations to use fixed detectors to
spot leaks.

That doesn't help with a leaky H2 car in a garage though

That's a thought. The problem with H2 is it's so small it'll fit through
the smallest leak. Which the tracer might not

Andy