Sweeter smelling cow poo

Toyota have developed a new process that speeds up the process of converting cow poo into useful compost in 45 days. The new invention cuts down on the noxious stink, and also reduces the amount of harmful greenhouse gases released. Considering that the average cow deposits 50kg of cowmuck into the environment each year, it has to be a good thing. What puzzles me though is WHY Toyota are investing in cow manure? Is it to harness the methane given off by the steaming piles to power their next generation of cars?

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