The average cost of a gallon of gas in Houston is $3.39. But some stations around town sold regular gas for 21 cents less.

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

  • Valero, Wirt Rd. & Westview Dr., Northwest Houston: $3.43 for diesel
  • CITGO, Hwy 35 & FM 517, Alvin: $3.35 for diesel
  • Shell, Spring Green Blvd. & Cinco Terrace Dr., Katy: $3.18 for regular

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