# Marathon Petroleum

Type: Company (MPC)

Source: Climate Intelligence Brief — https://getclimatebrief.com/entity/marathon-petroleum
Canonical HTML page: https://getclimatebrief.com/entity/marathon-petroleum

## Timeline

- **2026-03-02**: Market Assessment — Analysis confirms the state is on track to lose nearly 20% of its total refining capacity as other facilities idle.
- **2025-12-31**: Official Closure — The Phillips 66 Los Angeles Refinery officially ceases all operations across its Carson and Wilmington facilities.
- **2024-12-31**: Production Decline Data — EIA data confirms California has dropped to 7th in national crude oil production.
- **2024-10-16**: Phillips 66 Announcement — Industry giant Phillips 66 announces plans to close its Los Angeles-area refinery by the end of 2025.

## Recent coverage (2 stories)

### AI propping fossil fuel prices as California pushes EV transition
2026-06-28 08:13:33 · Sentiment: Bearish · Impact: 7/10 · Sources: 16

While California leads the U.S. in electric vehicle adoption, a lawsuit alleges AI is being weaponized to inflate gasoline prices, potentially slowing the consumer shift to cleaner transportation. The case highlights a tech-enabled barrier to decarbonization.
Full story: https://getclimatebrief.com/story/ai-gas-price-fixing-energy-transition

### California’s Refining Retreat: Navigating the 20% Capacity Cliff
2026-03-03 00:35:42 · Sentiment: Bearish · Impact: 7/10 · Sources: 2

California's energy landscape is undergoing a structural shift as major refineries from Phillips 66, Marathon, and Valero shutter or idle, removing nearly 20% of the state's refining capacity. This transition, driven by aggressive environmental regulations and declining local production, raises critical questions about fuel security and the redevelopment of massive industrial sites.
Full story: https://getclimatebrief.com/story/california-oil-refinery-closures-phillips-66-marathon-valero

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