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U.S. Gas Stays Near 4-Year Low as California Premium Grows on Taxes, Summer Fuel Shift

High taxes alongside cleaner-fuel rules keep California far pricier than the national average.

Overview

  • California’s average price reached $4.31 per gallon on Feb. 9, rising for a second straight week and about 34 cents over the month, according to EIA data.
  • The national average stands at $2.90 per gallon, below $3 for 11 consecutive weeks and near its cheapest level since spring 2021.
  • EIA reports state gasoline taxes now average 33.5 cents per gallon, led by California at 70.9 cents, with 19 states raising and 7 lowering rates since early 2025.
  • Analysts say the refinery transition to California’s costlier summer blend is lifting prices now, and GasBuddy projects a potential additional 10–20 cent increase near term.
  • AAA data show wide disparities, with Oklahoma, Arkansas, Kansas, and Mississippi in the mid-$2 range while California, Hawaii, and Washington exceed $4 per gallon.