What is the benefit of using double-walled fuel tanks?

The benefit of using double-walled fuel tanks primarily lies in their enhanced containment and environmental protection against leaks. This design includes an inner tank that holds the fuel and an outer tank that serves as a protective barrier. The space between the two walls acts as a secondary containment system, which is crucial for preventing leaks or spills from the inner tank from contaminating the surrounding environment.

In terms of regulatory compliance, many jurisdictions require double-walled tanks for storing hazardous materials to ensure safety and minimize ecological impact. The secondary containment feature provides an early warning system for leaks, allowing for prompt detection and response before any potential environmental damage occurs. This makes double-walled tanks not just a safety measure for the site but also a critical aspect of environmental stewardship.

The other aspects, such as storage capacity, cost, and installation ease, do not reflect the primary advantages of this tank design when considering safety and environmental protection. Therefore, the overwhelming advantage of double-walled tanks is their ability to enhance safety measures and protect the environment against leaks.