EcoFuel Systems to Convert 850 Tamil Nadu Diesel Buses to CNG


By Robin Kumar Attri

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Updated On: 23-Sep-2025 11:05 AM


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EcoFuel Systems to retrofit 850 diesel buses to CNG in Tamil Nadu, reducing emissions and supporting clean public transport under a ₹66 crore project.

Key Highlights:

EcoFuel Systems (India) Ltd. has secured a ₹66 crore contract from the Tamil Nadu government to convert 850 diesel buses to CNG. The project will be implemented across multiple State Transport Depots over the next 12 months, aiming to significantly reduce the state’s carbon footprint.

The CNG conversion is expected to cut CO₂ emissions by 5.7 lakh tonnes annually, supporting Tamil Nadu’s clean transport and sustainability goals.

Strengthening EcoFuel’s Position in India

With this order, EcoFuel Systems total converted fleet in India will exceed 1,500 buses, positioning the company among the largest players in the diesel-to-CNG conversion market. The company will use certified CNG conversion kits and advanced technology to maintain safety and fuel efficiency.

Virendra Vora, Founder and Chairman of EcoFuel, said, "Tamil Nadu’s decision to convert diesel buses to CNG reflects progressive leadership in clean mobility. This project validates our commitment to sustainable innovation and ensures economic and environmental benefits for public transport corporations."

Aligning with National Green Mobility Goals

The Tamil Nadu project aligns with India’s National Green Mobility Mission, which aims to transition public transport fleets to low-emission alternatives by 2030. CNG retrofits provide a cost-effective solution for decarbonization compared to fully electric buses, avoiding high capital investment.

EcoFuel’s Legacy and Expertise

Established in 2003, EcoFuel Systems has over 22 years of experience in alternative fuel conversions. Key highlights include:

EcoFuel complies with European standards and BS-VI certifications, with products approved by ICAT/ARAI. The company offers nationwide after-sales support and conversion solutions for vehicles ranging from two-wheelers to buses and trucks.

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CMV360 Says

EcoFuel Systems Tamil Nadu project marks a major step in India’s clean public transport initiative. By converting 850 diesel buses to CNG, the project reduces carbon emissions, supports sustainable mobility, and sets a benchmark for cost-effective decarbonization. This initiative reflects EcoFuel’s expertise, commitment to innovation, and alignment with national green goals.