Once you start selling fuel, even if as a co-op, you may need to register as a fuel distributor and pay Federal and state excise tax, if these taxes haven't been paid by your supplier.

https://www.tax.ny.gov/bus/gas/gasidx.htm
https://www.irs.gov/pub/irs-pdf/p510.pdf

As for the storage facility, I wouldn't tackle NYC business, fire and building regulations for anything. Is this really worth the time and effort?