In article , Matt Barrow wrote:
And inventor/entrepreneur is still bound by laws of the market unless they
live in a command economy.

Exactly; that's why the 'hydrogen economy' won't be here any time soon,
but biodiesels will be. The back end for the use of biodiesel needs a
radical change but the front end (i.e. the end users) don't need the
radical change.

Look at pretty much any entrepeneur - I think we can all agree Bill
Gates is an exemplar with this - yet Bill Gates and Microsoft have never
done anything radical at the 'front end' because the market won't stand
for it. (In fact Microsoft can barely be counted as being an innovator)

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