Updated: 2021-03-15 06:18:02

Cleaner energy sources are being sought to replace traditional gas and coal power because they do not pollute the environment. One potentially strong candidate for clean energy is cow manure, which is a biofuel. Biofuels have a wide range of applications. For example Ethanol, a biofuel, that is produced from corn, is commonly added to gasoline as a secondry source of fuel. Cow manure can be used for both electricity and fuel. In both applications, the concept behind energy production is the collection of methane gas that is a product of manure. Methane is the primary gas that is turned into energy when burning natural gas, there is a huge potential for collecting methane gas from cow manure.


In a digester cow manure is collected into a pile. Waste vegetables are added into that pile. This mixture serves as a good place for brewing micro-organisms. This process produces methane gas. The methane gas is collected into an engine and converted into power. This power can be used for heating purpose also and producing electricity. In a farm with around 1000 cows, manure has the potential to produce 250-300 kw of electricity everyday.


Cow manure as energy not only interests dairy farms, can be interested to car manufacturing companies too. Eg Toyota. They are planning to build a power plant that turns the methane from cow manure into hydrogen and power for electricity. The hydrogen could be used to fuel Toyota’s fuel cell hydrogen cars.