Gas prices remain mostly steady this week in Kansas and nationwide, according to AAA.

As of Tuesday morning, the national average for a gallon of unleaded gas was $3.16—unchanged from a week ago, up just one cent from a month ago, and down 49 cents from $3.65 a year ago.

In Kansas, the average price for unleaded gas was $2.84 per gallon, up a penny from both last week and last month, but down 37 cents compared to $3.21 a year ago.

Diesel prices are also slightly lower. The national average for diesel was $3.55, down a penny from last week and six cents from a month ago. It’s 45 cents cheaper than the $4.00 average one year ago.

In Kansas, diesel averaged $3.26 per gallon on Tuesday, down a penny from both last week and last month, and 41 cents less than a year ago.

In Topeka, unleaded gas prices ranged from $2.59 to $2.89 per gallon, while diesel prices varied between $3.11 and $3.59, according to GasBuddy.com.