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California regulators seek pause on refiner margin cap

  • Market: Oil products
  • 27/06/25

California regulators are recommending a pause in implementing a refining margin cap with penalties for operators in the state, a dramatic change in the face what could be steep drops in state fuel supply.

In a letter Friday to Governor Gavin Newsom (D), the California Energy Commission (CEC) said it "has determined that additional analytical work is necessary" to establish a maximum refiner margin.

The state should pause the implementation of a refiner margin cap "for a reasonable length of time," the CEC said.

A refining margin refers to the difference between the cost of crude and the value of the refined products — such as gasoline and diesel — that are produced at a refinery.

The recommendation comes as California is facing the closure of two major refineries within a year, triggering concerns about the state's tightly supplied and frequently volatile products market.

The refiner margin cap is part of a multi-year legislative effort by Newsom to mitigate price volatility in the state after gasoline prices rose to record highs in 2022.

US refiners have long opposed the new regulations, seeing them as a political attack on the industry, conflicting with other laws and the latest example of an increasingly difficult regulatory environment in the state.

Independent refiner Valero announced in April that it was shutting or re-purposing its 145,000 b/d refinery in Benicia, California, by April 2026, citing the regulatory difficulty in the state.

In addition, Phillips 66 is planning to shut its 139,000 b/d Los Angeles refinery later this year. The two refinery closures will cause the state to lose 17pc of its refining capacity.

Five days after the Valero announcement, Newsom urged state regulators to redouble efforts to work closely with refiners to ensure adequate supplies of transportation fuels.

The CEC in April delayed a vote on new refinery resupply rules to provide time for additional feedback and consultation with stakeholders after the Valero announcement.

Valero has also said it is evaluating strategic alternatives for its 85,000 b/d Wilmington, California refinery.

Meanwhile, tough new California low-carbon road fuel standards that stoked fears of price hikes will apply to the second half of this year, state regulators said on Friday.


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