The filler hose specs have undergone high-quality evolutions following the requirements of regulations. In the meantime, we noticed an development of low-weight merchandise that have been aimed in the direction of improved fuel performance. We have been engaged inside the resinification of filler pipes and developed an integral kind resin filler neck hose mixed with a filler hose. Technological Trend and Current Issues The application of regulations for hydrocarbon evaporation in the State of California, U. S. A. In 1996 worked as the opener to reply to environmental issues, & hence similar policies were applied in each area.