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Previous EPA and CARB approved fuel hoses, connectors, and squeeze
bulbs actually lead to increased emissions. For example, this
letter was written to Moeller:

We purchased a Moeller fuel line and bulb for our dinghy last year.
Over the summer, it was drained and stored. When it was put back
into service this year, we found that the squeeze bulb was rock
hard.

So we attempted to replace a bulb with a new one. The inner lining
of the hose pushed back when the new bulb barbs were pushed in.
This blocked the flow of fuel.

We managed to get the bulb together with the fuel line without the
inner lining blocking the fuel flow. But when we hooked the
connecter to the tank we found that the connector leaked.

Moeller should be ashamed to produce and sell such products. They
waste money, time, and fuel. Each time a fuel hose line needs
repair more fuel vapor is lost by the repair than ever would be
avoided by impermeable line.


When creating new standards, don't just focus on the ability of
brand new hose to pass a permeation test. Vendor products should be
evaluated and required to meet longevity standards and repair
standards.