The use of fiberglass reinforced plastic tanks to store motor fuels is not new. This technology has been used very successfully for more than 20 years. However, the use of fuels containing high concentrations of alcohol has led to the need for composites with greater alcohol resistance. During the time of transition from leaded gasoline to unleaded gas with low alcohol levels, and now towards potential future fuels containing high levels of methanol, many research studies have been conducted on the suitability of different types of underground fuel storage tanks. This paper will review the research supporting the use of fiberglass reinforced plastic tanks for this application.

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