Introduction
The Sustainable Alternative Towards Affordable Transportation (SATAT) is a flagship initiative of the Ministry of Petroleum and Natural Gas (MoPNG) launched in October 2018 to establish an ecosystem for the production and utilization of Compressed Biogas (CBG) as an alternative, clean transport fuel.
Under the scheme, entrepreneurs are encouraged to set up CBG plants using agricultural residues, cattle dung, municipal solid waste, sewage sludge and other biodegradable waste. The produced CBG is marketed through Oil Marketing Companies (OMCs) for use as an automotive and industrial fuel.
The initiative supports India’s transition towards a gas-based economy, promotes the circular economy, and contributes to climate change mitigation.
Background
India generates enormous quantities of organic waste every year, including:
- Crop residues
- Cattle dung
- Municipal organic waste
- Food waste
- Sewage sludge
- Industrial biodegradable waste
Much of this waste remains underutilized, leading to pollution, open burning of crop residues and methane emissions.
SATAT was launched to convert this waste into valuable energy while addressing environmental, economic and energy security challenges.
Objectives
The SATAT initiative aims to:
- Promote the production and use of Compressed Biogas (CBG).
- Reduce dependence on imported fossil fuels.
- Provide a sustainable solution for agricultural and organic waste management.
- Generate additional income for farmers and rural entrepreneurs.
- Reduce stubble burning and associated air pollution.
- Promote a circular economy through waste-to-wealth initiatives.
- Support India’s climate commitments and clean energy transition.
Institutional Framework
Nodal Ministry
- Ministry of Petroleum and Natural Gas (MoPNG)
Implementing Agencies
The scheme is implemented primarily through the Oil Marketing Companies (OMCs):
- Indian Oil Corporation Limited (IOCL)
- Bharat Petroleum Corporation Limited (BPCL)
- Hindustan Petroleum Corporation Limited (HPCL)
These companies issue Letters of Intent (LoIs) to entrepreneurs and procure CBG under long-term purchase agreements.
Working of the Scheme
- Organic waste is collected from agricultural, municipal or industrial sources.
- Waste undergoes anaerobic digestion to produce raw biogas.
- The biogas is purified by removing carbon dioxide, hydrogen sulphide and moisture.
- Purified gas containing over 90% methane is compressed to produce Compressed Biogas (CBG).
- OMCs procure the CBG and distribute it through existing fuel infrastructure.
- The residual digestate is processed into organic bio-manure, providing an additional source of income.
Feedstock
SATAT promotes the use of:
- Paddy straw and other crop residues
- Cattle dung
- Poultry litter
- Press mud from sugar mills
- Municipal solid waste
- Food and kitchen waste
- Sewage sludge
- Industrial biodegradable waste
Benefits
Energy Security
CBG substitutes imported natural gas and petroleum fuels, reducing India’s dependence on energy imports.
Waste Management
The scheme promotes scientific utilization of biodegradable waste, reducing landfill use and improving sanitation.
Air Pollution Control
Utilization of crop residues reduces stubble burning, helping improve air quality, especially in northern India.
Climate Change Mitigation
CBG captures methane from organic waste and replaces fossil fuels, thereby reducing greenhouse gas emissions.
Rural Employment
CBG plants create employment opportunities in:
- Waste collection
- Transportation
- Plant operation
- Maintenance
- Organic manure production
Additional Income for Farmers
Farmers can earn by supplying agricultural residues and cattle dung, while also using bio-manure to reduce fertilizer costs.
Organic Fertilizer Production
The digestate generated during biogas production is converted into nutrient-rich Fermented Organic Manure (FOM) or Liquid Fermented Organic Manure (LFOM), supporting sustainable agriculture.
Significance
SATAT contributes to:
- Swachh Bharat Mission through scientific waste management.
- National Bioenergy Programme by promoting renewable biofuels.
- GOBARdhan Scheme through the productive use of cattle dung and organic waste.
- National Policy on Biofuels by expanding the role of bio-based fuels.
- India’s target of increasing the share of natural gas in the energy mix.
- India’s Nationally Determined Contributions (NDCs) and the Net Zero target by 2070.
Challenges
- High capital cost of establishing CBG plants.
- Irregular availability and collection of feedstock.
- Logistical challenges in transporting agricultural residues.
- Limited awareness among farmers and entrepreneurs.
- Need for reliable gas purification and compression technologies.
- Financing constraints for small entrepreneurs.
- Market development for organic manure.
Way Forward
- Expand financial support and concessional credit for CBG plants.
- Strengthen aggregation and supply chains for biomass feedstock.
- Increase awareness among farmers regarding residue collection.
- Promote decentralized CBG plants in rural areas.
- Develop efficient logistics and storage infrastructure.
- Encourage public-private partnerships.
- Integrate SATAT with municipal waste management programmes and City Gas Distribution (CGD) networks.
- Promote research on advanced anaerobic digestion and gas upgrading technologies.
Conclusion
The SATAT Scheme is a key initiative for promoting Compressed Biogas (CBG) as a clean and sustainable transport fuel. By converting agricultural and organic waste into energy and organic manure, it addresses multiple national priorities, including energy security, waste management, rural income generation, air pollution control and climate change mitigation. As India moves towards a gas-based and low-carbon economy, SATAT is expected to play a crucial role in expanding the country’s renewable energy ecosystem and advancing the principles of the circular economy.
