That would allow the infrastructure of a hydrogen-delivery network to be introduced gradually, rather than being put in place more-or-less instantly.

ECONOMIST: Hydrogen-powered cars

And although the trial will help to work out the best way to deliver the fuel cell's hydrogen, and how to build a suitable distribution network, it will not necessarily bring the price down to the point where fuel cells can compete with petrol or diesel.

ECONOMIST: Fuel cells hit the road | The