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Spring-loaded cars

Maintaining a blog requires constancy and vanity: I’m obviously lacking in one of those, but I’m not sure which.

Ideas for the environment, and hence for birds. This month’s apparently “whacko” suggestion is spring-loaded cars.

Imagine it: go to a “petrol” station which has no petrol but rather exercise bikes of similar. There you can pedal for as long as you like on a static bike which in fact is winding up a very strong, resistant spring-loaded mechanism housed inside a rechangeable tube. You pay nothing for the exercise, and in fact get a credit for replacing your spent “tube” or cannister for a recharged one, depending on the amount of exercise you have done, or how much you want to pay.

I’m no engineer, so I expect such a system would have to be used in combination with petrol or similar, as a spring-petrol hybrid.

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