What was the gas used to power buses during the war? Tim mentioned 'blimps', but I seem to remember an old photo of a single deck bus with a large canvas 'bag-tank' on top, that carried a vapour-type fuel. Didn't cars sometimes have trailers that produced/contained a very low octane gas - OK on the level but woefully inadequate on hills (passengers had to get out and push!)
What was that gas - Methane? Could it have been a hydrogen plant in those trailers? - how would that work?
Good post Brett!
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