The talk about safety implications has started since factory fitted CNG kits have been introduced in vehicles like the Hyundai Venue. Although CNG is generally regarded as a safe fuel, the addition of a CNG tank and accompanying components raise questions regarding the impact of the CNG tank and components on vehicle's overall safety structure and crash performance. But for some, gas leaks risk or whether or not one will adversely affect the car's weight distribution and handling are concerns. The factory fitted CNG systems are designed to be safe and are tested rigorously, according to some. The debate sometimes also extends to a comparison of safety features of CNG vs. petrol variants, the efficiency of safety mechanisms of CNG systems and how these might affect consumer confidence. These issues are also related to broader questions of perception vs. reality in CNG vehicle safety, standards of regulation for CNG vehicles, and procedures for addressing these issues in design and marketing efforts of these vehicles by the manufacturers.