Which of the following is NOT a common requirement for gas pump approval?

The option indicating approval by local municipalities is not typically considered a common requirement for gas pump approval. While local regulations may vary and it is essential for gas stations to operate within their jurisdiction's regulatory framework, municipal approval is not a standard requirement enforced by overarching regulatory bodies overseeing fuel dispensing equipment.

In contrast, the other options directly relate to fundamental requirements for gas pump approval. Compliance with safety regulations is critical to ensure the safe operation of fuel dispensing equipment, protecting both employees and customers. Efficient fuel distribution can help maintain flow rates and reduce wait times, contributing to positive customer experiences. The accuracy of measurement is vital in maintaining consumer trust, ensuring customers receive the correct amount of fuel they pay for, and complying with legal standards for trade practices. Therefore, while local municipality approval may play a role in operational licensing, it does not fall within the standard technical criteria needed for gas pump approval.