Gas prices keep rising in Minnesota and across the country.
According to the Web site Minnesotagasprices.com, the average cost of unleaded gas in the state is just over $3.40 a gallon. It peaked at $3.41 a gallon on Sunday.
Minnesota is a bit behind the national average of $3.49 a gallon.
Gas averaged $2.67 a gallon in Minnesota a year ago.