HOUSTON -

The average cost of a gallon of gas in Houston is $3.40. But some stations around town sold regular gas for 21 cents less.

The following three stations sold gas for less on Tuesday, according to www.GasBuddy.com.

  • Exxon, Southwest Fwy & Hwy 36, Rosenberg: $3.21
  • Costco, Gessner Rd. & Mills Rd., Northwest Houston: $3.20
  • Sam's Club, Hwy 290 & West Rd., Northwest Houston: $3.19

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