On The Road ~RV Travel Note-fuel~ March 27, 2015 Sheila 1 Comment Diesel prices…. We are driving on 287 north, just went through Wichita Falls, Texas, diesel prices are $2.43.9. This is the lowest we have seen. We paid $2.63.9 in Mississippi and $2.69.9 in Decatur, Texas. $2.84.9 in Colorado.