Tilting at Windmills
BBC NEWS | UK | Wind turbines save '£10 a year'
Many people would save just £10 a year on their electricity bill by installing a wind turbine on their roof, according to a leading turbine technology firm.
This means that it would take 150 years for turbines- costing £1,500 - to save enough money to pay for themselves.
Did Dave ever get round to putting one up to show his sound grasp of economics and investment returns?
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