With the implementation of Bharat Stage VI (BS VI) emission norms in India since April 2020, the automotive industry has undergone a transformative shift toward reducing vehicular pollution and improving air quality.
These stringent regulations demand drastically lower emissions, especially from diesel-powered vehicles, pushing the need for high-quality, clean-burning fuels.
One of the most promising solutions?
Renewable diesel — a next-generation, engine-ready fuel that aligns perfectly with BS VI requirements
What Are BS VI Engines?
BS VI is India’s equivalent of Euro VI emission standards and represents the most stringent emissions regulation introduced to date.
BS VI engines are equipped with advanced emission-reducing technologies such as:
- Selective Catalytic Reduction (SCR) – lowers nitrogen oxide (NOx) emissions
- Diesel Particulate Filters (DPF) – traps harmful particulate matter (PM)
- High-precision fuel injection systems – ensures optimal combustion control
To work efficiently, these systems demand clean, ultra-low sulfur fuels like renewable diesel
Why Fuel Quality Matters for BS VI Engines
BS VI engines are precision machines designed for low-emission performance. They need fuels that are:
- Ultra-low in sulfur (≤10 ppm)
- High in cetane number for quicker ignition
- Clean-burning to reduce soot, carbon deposits, and exhaust buildup
Poor-quality diesel can lead to:
❌ Clogging of DPF and SCR systems
❌ Higher emissions and incomplete combustion
❌ Engine damage and higher maintenance costs
That’s where renewable diesel becomes a game-changer
How Renewable Diesel Supports BS VI Engines
1. Ultra-Low Sulfur Content
Thanks to hydrotreatment, renewable diesel is free from sulfur and impurities.
I.Complies with BS VI sulfur limits
II.Prevents damage to emission systems (SCR & DPF)
III.Prolongs engine and filter life
2. Cleaner Combustion
Unlike biodiesel, renewable diesel is chemically similar to fossil diesel but burns cleaner:
- ⬇️ Lower PM (particulate matter) emissions
- ⬇️ Reduced soot formation = healthier DPF
- ⬆️ More efficient combustion = better engine health
This means:
I.Less carbon buildup
II.Fewer maintenance cycles
III.Extended engine lifespan
3. Higher Cetane Number
Renewable diesel typically has a cetane number of 70+, compared to ~51 in regular diesel.
Benefits include:
- Smoother engine operation
- Faster cold starts
- Reduced knocking and noise
- Essential for precise BS VI combustion control
4. Compatibility with Advanced Emission Control Systems
BS VI engines depend on systems like:
- DPF (Diesel Particulate Filters)
- SCR (Selective Catalytic Reduction)
Renewable diesel
- Free from contaminants that poison catalysts
- Consistent in quality for long-term system health
- Proven to reduce maintenance issues
5. Improved Cold Weather Performance
Compared to biodiesel and fossil diesel, renewable diesel performs better in cold climates:
- No gelling or freezing
- Reliable cold starts
- Maintains flowability even in sub-zero temperatures
A major plus for India's diverse climate.
Real-World Benefits for Fleet Operators
For transport and logistics companies running BS VI engines, switching to renewable diesel offers:
- Reduced maintenance from cleaner combustion
- Better mileage due to high cetane value
- Lower downtime and part replacement costs
- Lower emissions Fuel, aligning with CSR and ESG goals
- Compliance with India’s evolving emissions standards
Narayani Green: Powering BS VI with Renewable Diesel
Narayani Green Renewable Diesel, made with NEXTGN Technology, is India’s clean energy solution.
It meets global standards:
- ASTM D975 (USA)
- EN15940 (Europe)
Why Narayani Green Diesel is Ideal for BS VI Engines:
- Ultra-low sulfur content
- Made from organic waste and residues
- High cetane number for efficient ignition
- Drop-in compatibility with current BS VI engines
- Scalable and ready for both industrial and transport sectors
Final Thoughts: Fueling the Future of Clean Transportation
BS VI engines mark a milestone in India’s fight against vehicular pollution. But their success hinges on fuel quality.
Renewable diesel offers a clean, powerful, and future-proof alternative to fossil diesel—helping engines perform better while protecting the environment.
For OEMs, fleet operators, and policymakers, it’s not just a better fuel—
👉 It’s the fuel India needs to drive into a cleaner future.
Power your BS VI fleet with Narayani Green Renewable Diesel — the fuel built for today and tomorrow.
Get in touch for supply or B2B inquiries
Learn more at [Narayanigreen.com]