[BipolarBob]

If just one more refinery closes down, we will be in a serious hurt. The government will have to relent or we will have to outsource the refining which is a national security risk.

[HangnJudge]

https://www.rigzone.com/news/oil_gas/a/25525/katrina_rita_expected_to_cause_gas_fuel_shortages_in_mexico/

Katrina came very close to causing a regional disaster
The Southeast was within 6 days of running out of gas, diesel, and jet fuel

[deport]

https://www.reuters.com/article/us-usa-refinery-blast/unit-at-philadelphia-refinery-completely-destroyed-in-fire-sources-idUSKCN1TO0SZ

Even if the Unit was to be rebuilt it would take years.
Not an overnight solution.

[Pearls Before Swine]

If that refinery closes, and the refining margin (or crack spread, the difference between oil costs and value of refined products) rises, it benefits other refineries.

For you stock guys out there, I’m increasing my long-time positions in PSX, VLO, and (newer) MPC. In English, that’s Phillips 66, Valero, and Marathon Petroleum.