Driving the Future with Clean Fuels: Understanding AIS-028 Codes of Practice for CNG, Bio-CNG, and LNG Vehicles

Introduction

With the rising demand for eco-friendly mobility, alternative fuels like CNG fuel, Bio-CNG, and LNG have taken center stage in the automotive sector. To ensure that their adoption is safe, standardized, and efficient, regulatory frameworks under the Automotive Industry Standards (AIS) have been introduced. Among these, AIS-028 is one of the most important codes of practice for vehicles using gaseous fuels.

In this blog, we’ll explore the different versions of AIS-028, their importance, and how they shape the future of sustainable transportation—along with how Devendra Automobiles Pvt. Ltd. can help you comply with these standards seamlessly.

What the AIS-028 Code Is?

The AIS-028 code of practice sets safety and performance standards for the use of gaseous fuels in internal combustion engine (ICE) vehicles. Over time, it has evolved into multiple versions to cover new fuel types and technological advancements.

1. AIS-028 (Version 3) Amendment Nos. 1 & 2: Focuses on the use of CNG fuel (Compressed Natural Gas) in internal combustion engine vehicles. It refines earlier safety guidelines to enhance reliability in real-world applications.
2. AIS-028 (Version 4): A more advanced version, this provides detailed code of practice for using CNG fuel in internal combustion engine vehicles, including testing, certification, and installation processes.
3. AIS-028 (Version 5): The latest version that expands the scope by covering CNG fuel, Bio-CNG, and LNG fuel in ICE vehicles. This step reflects India’s commitment towards multiple clean fuel options to reduce emissions and reliance on fossil fuels.

In short, the AIS-028 code is the rulebook for safety, quality, and compliance in gaseous fuel-powered vehicles.

Uses of the AIS-028 Code

The AIS-028 code has several practical uses that impact vehicle owners, manufacturers, and the ecosystem at large:

1. Manufacturers: Ensures that CNG, Bio-CNG, or LNG-powered vehicles are designed and tested as per approved safety standards.

2. For Retrofitters & Workshops: Provides a clear reference for installing compliant conversion kits.

3. For Regulatory Authorities: Helps enforce uniform compliance across the industry.

4. For Vehicle Owners: Guarantees safety, performance, and legal approval of their eco-fuel-powered vehicles.

Where & Why the AIS-028 Code is Used?

Where it is used:

1. At OEM (Original Equipment Manufacturer) facilities when producing factory-fitted CNG or LNG vehicles.
   
2. In retrofitment centers and service workshops that convert existing petrol/diesel vehicles into CNG/Bio-CNG compliant ones.
   
3. In testing agencies and certification bodies to verify that vehicles meet AIS-028 safety norms.

Why it is used:

1. To create a uniform safety standard for all vehicles using gaseous fuels.
2. To ensure that installations are safe, leak-proof, and efficient.
3. To promote public confidence in adopting CNG, Bio-CNG, and LNG fuels.
4. To contribute to India’s clean mobility mission by reducing carbon footprints and dependency on oil imports.

Benefits of the Code

The implementation of AIS-028 provides wide-ranging benefits:

1. For Vehicle Owners:
   • Confidence in using safer and reliable CNG fuel/Bio-CNG/LNG fuel vehicles.
   • Lower running costs with cleaner fuels.
   • Assured compliance with RTO and government safety requirements.
     
2. For Workshops & Retrofitters:
   • Reduced liability with proper safety guidance.
   • Standardized installation procedures to avoid accidents.
     
3. For Environment & Society:
   • Reduction in carbon emissions and air pollution.
   • Greater adoption of renewable fuels like Bio-CNG that promote the circular economy.
   • Reduced the import burden on petroleum fuels.

How Devendra Automobiles Can Help You?

At Devendra Automobiles Pvt. Ltd., we are committed to helping individuals and businesses transition safely to eco-friendly fuel solutions. Our expertise in AIS-028 (Version 3, Version 4, and Version 5) compliance ensures that every vehicle we retrofit or service adheres to the highest safety standards.

Here’s how we support you:

1. Expert Conversion Services: From petrol to CNG fuel or Bio-CNG conversions done under certified standards.
2. 100% Compliance: Installations aligned with AIS-028 guidelines for safe and approved usage.
3. Advanced Facilities: Equipped with modern tools and trained technicians to handle all types of conversions.
4. Customer-Centric Approach: Transparent processes, clear guidance, and reliable after-sales support.
5. Sustainability Focus: Helping you contribute to a greener planet without compromising vehicle performance.

About Devendra Automobiles Pvt. Ltd.

Devendra Automobiles Pvt. Ltd. is a leading automotive solutions provider specializing in eco-friendly fuel conversions. With deep expertise in the AIS-028 (Version 3) Amd. Nos. 1 & 2 Code of Practice for use of CNG Fuel in Internal Combustion Engined Vehicles, AIS-028 (Version 4) Code of Practice for use of CNG Fuel in Internal Combustion Engined Vehicles, and AIS-028 (Version 5) Code of Practice for use of CNG/Bio-CNG/LNG Fuel in Internal Combustion Engined Vehicles, we ensure your vehicles are safe, compliant, and future-ready. Our mission is to empower customers with sustainable, cost-efficient, and government-approved fuel solutions.

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