CBG is produced through the process of anaerobic decomposition of various waste/biomass sources such as agricultural residue, cattle dung, sugarcane press mud, municipal solid waste, and sewage treatment plant waste. After purification, the gas is compressed, resulting in CBG with a methane content of over 95%.
CBG is similar to commercially available natural gas in composition and energy potential, having a calorific value and other properties akin to Compressed Natural Gas (CNG), making it a suitable renewable automotive fuel alternative.
The programme offers multiple benefits, including responsible waste management, reduction in carbon emissions, additional revenue sources for farmers, entrepreneurship boost, support for national climate change goals, and reduction in natural gas and crude oil imports.
CBG plants are proposed to be established primarily through independent entrepreneurs. The produced CBG will be transported to fuel station networks of OMCs for marketing as a green transport fuel alternative. Entrepreneurs can also market by-products such as bio-manure and carbon dioxide.
The plan includes rolling out 5,000 CBG plants across India by 2025, with a phased approach of 250 plants by 2020, 1,000 plants by 2022, and the full count by 2025. These plants are expected to produce 15 million tonnes of CBG per annum.
The initiative, with an estimated investment of approximately Rs. 1.7 lakh crore, is expected to generate direct employment for 75,000 people and produce 50 million tonnes of bio-manure for crops.
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