Sainsbury's have outlined a plan to use plates in the car park which generate energy each time a customer drives over them.
"This is the first in a series of greener measures", said Dave Sponge, a spokesman for the store. "Future plans include a creche where we will put your screaming brats in giant wheels like ADHD crazed hamsters. That should be good enough to power Swindon for a week."
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