The BTU®, Biofuel Tank Upgrade, is a cost-effective solution for upgrading existing fiberglass single-wall and double-wall tanks to meet new regulations. Many of the earliest generation fiberglass tanks were not tested nor were they warranted for either biodiesel or ethanol blends exceeding 10%. Upgrade your tank to full compatibility with green fuel blends like E15, E85 up to E100.
The BTU® can be applied in combination with typical tank upgrades like sumps and collars or as a stand-alone service. Unlike conventional tank lining methods, the BTU® upgrade is completed by CSI technicians who are experts in fiberglass tank manufacturing techniques.
In most cases the candidates for the BTU® are older tanks. All Containment Solutions single-wall and double-wall storage tanks are compatible with ethanol blends up to E100 and biodiesel blends up to B100.
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