What are precaution should be taken using cng fuel in vehicles?

When using CNG (Compressed Natural Gas) fuel in vehicles, it's essential to ensure proper maintenance of the fuel system to prevent leaks. Regularly inspect and maintain the CNG tank, valves, and hoses to ensure they are in good condition. Additionally, always refuel in well-ventilated areas and never smoke or use open flames near CNG refueling stations. Lastly, drivers should be trained to understand how to respond in case of a CNG leak or emergency situation.