The transactions are done through an auction process with the dealers competing on price and the Fed accepting the low bids for buying and the high bids for selling.

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After launching a lunar orbiter later this year, scientists will begin the process of choosing among several competing rover designs for exploring the Moon's geology and terrain, and now the first of these candidates has been unveiled for public consumption.

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This makes the sales process much more effective than just competing on price or offering an extra feature.

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With many projects competing for financial support, scientists point out that the process must be seen to be open and fair.

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He says the city has to go through a long public process that could include a referendum vote before competing with private companies.

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