Submissions that have been rejected by the Creativity Pool. - The Docks aren't necessarily the final destination, if a broken idea gets fixed it may travel to a more appropriate category.
By AaronBurns
#5621
Methane is the cheapest fuel there is and cows and pigs produce tons of it. What if we took manure and added something to make it more rotten; stronger and more powerful, we could power all things cheaply. Cars, plains, trains houses, etc. When something rots it produces more energy. By rotting cow or pig manure we can produce tons of natural energy.

Reward: Credit
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By Steve
#5788
This already exists. ;-D It's called bio gas.
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