A six-month CBS News California investigation concluded that California’s record-high pump prices are not the result of illegal price gouging by oil companies, but of a complicated mix of state policy, market structure and global supply risks that uniquely affect the state’s isolated fuel market.
What the investigation uncovered
– Higher baseline costs: California drivers pay more because the state carries higher taxes, labor and business costs, stricter environmental requirements and a mandated low-emission gasoline blend that together push prices well above the national average.
– Political shift: After a lengthy probe that turned up no evidence of unlawful gouging and two major refinery closures, state leaders are moving away from public accusations and toward policies aimed at keeping refining capacity in state.
– Refiners exiting: Rising operating costs, tighter regulations, uncertainty about long-term state energy policy and shrinking returns have prompted some refiners to close or sell facilities.
– Global exposure: As in-state capacity falls, California increasingly depends on overseas refineries capable of producing its special blend. Imports lengthen resupply times and raise the risk of price volatility when global markets tighten.
How high prices add up
California’s pump price includes components shared with the rest of the country and many state-specific charges. Roughly 45% of the per-gallon cost reflects nationwide factors such as crude oil prices and the federal gas tax (18 cents). The remaining roughly 55% stems from California-specific items: higher refining and distribution costs (about 28% of a gallon on average), the special low-emission gasoline blend (adding roughly 10–15 cents), a 61-cent state excise tax, an underground storage fee of about 2 cents, cap-and-trade costs (around 23 cents), and the Low Carbon Fuel Standard (about 14 cents), plus state and local sales or district taxes.
At recent prices above $6 per gallon, those California-only charges can add roughly $20 to a typical tank. Economists also note an unexplained “mystery surcharge” that first appeared after a major 2015 refinery outage and has persisted; while taxes and regulation set a high baseline, short-term spikes usually trace back to supply disruptions in California’s relatively isolated market.
$6-per-gallon peak and political response
When global events pushed oil prices higher, California’s statewide average climbed above $6 per gallon. Governor Gavin Newsom renewed accusations of gouging and the legislature convened a taxpayer-funded special session to consider profit caps and stepped-up oversight. That session produced two laws: one requires greater disclosure of oil companies’ financial and operating information, and another would cap refinery profit margins during spikes (that profit-cap has since been paused). After more than two years of investigation, officials concluded they could not prove illegal price gouging. State Natural Resources officials said they identified the drivers of spikes but did not find evidence of unlawful conduct by the companies.
Refiners’ perspective and economic reality
Refiners argue that profit caps and other interventions overlook the refining business’s volatility: profitable months typically offset losses in leaner periods. Imposing limits on earnings during price spikes without accounting for downturns could make refining uneconomical in California, they say, accelerating exits and reducing capacity further.
Why refineries left
Two major plants — Valero’s Bay Area refinery and Phillips 66’s Wilmington refinery near Los Angeles — shut down in the aftermath of the scrutiny and changing economics, together removing nearly one-fifth of the state’s gasoline production. California is not well connected to interstate pipelines that could replace that lost supply, so the state functions as an “energy island.” Losing in-state refining tightens local supply and increases the likelihood of sharp price moves when outages or unexpected demand surges occur.
Companies point to several reasons for leaving: high labor and energy costs, expensive regulatory compliance, the large capital outlays required to produce California’s stringent gasoline blend, and uncertainty over how fast the state will move away from fossil fuels. Those factors reduce the incentive to invest in or keep running refineries in the state.
Rising reliance on foreign refiners and added risks
As domestic capacity declines, California imports more gasoline from overseas refineries that can produce the required blend. Transoceanic shipments take weeks, add shipping emissions, and can be interrupted by geopolitical or regional supply issues. Asia’s own consumption pressures and export curbs — for example, some Chinese restrictions during local shortages — have already tightened the market, demonstrating how export policies abroad can affect California’s prices.
Political conversation shifting
The debate is shifting from finger-pointing to reconciling long-term climate goals with the need for short-term supply reliability and affordability. Some lawmakers now acknowledge that state policy choices — especially aggressive emissions rules and an uncertain transition timeline — have contributed to higher costs and discouraged in-state refining investment. While the state has paused the proposed profit cap, officials and industry leaders continue to spar over other regulatory proposals that could further affect refining economics.
What this means for drivers and policy
For everyday drivers, the outcome is immediate: pricier fill-ups that strain household budgets and hit commuters and rural residents especially hard. For policymakers, the challenge is twofold: pursue the state’s ambitious environmental goals while taking pragmatic steps to prevent short-term supply disruptions and protect affordability. Future governors, regulators and legislators will shape how quickly California moves away from petroleum and how it balances that transition against the need for stable, reasonably priced fuel in the coming years.
Source: CBS California Investigates