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We asked you to help build a map of the credit crunch. Twenty thousand or so entries later and it is clear that fuel ( light blue ) food ( bright green ) and your rent/mortgage ( dark blue ) are causing most concern. But as you can see - it is the price of fuel that trumps all others.

Time then to look in some detail at the . There are in parts of the country trying to find local solutions to a global .

If you've already taken part, thank you. If not, it's very easy and just click .

Eddie Mair has been speaking Dr.Andrew Hudson-Smith. He works for the at . Here he explains more about and its potential.

So now is not the time . Or is it? is a businessman. He wants you to buy one of , only his ones are only available in .

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