Refinery closures, boutique fuel mandates, and geographic isolation created the most expensive fuel market in America.
CA Average
$5.85
June 2026
US Average
$4.31
June 2026
CA Premium
$1.54
Per gallon
TX Average
$3.75
June 2026
What You're Really Paying For
Per-gallon cost breakdown: California vs. Texas
California
Texas
Key insight: Even with identical crude oil costs and federal tax, California adds ~$2.90/gallon in state-specific costs. The "Mystery Surcharge" alone has cost Californians $59 billion since 2015.
Pump Prices Across States
Average regular gasoline, March 2026
Sources: EIA, CAISO, CA Energy Commission, CPUC, CA Legislative Analyst, NRC, AAA, GasBuddy, Tax Foundation, MIT/Stanford, Kpler, Bloomberg, Reuters, CalMatters, UC Davis. March 2026.