If you have questions or a comment about diesel prices, or you’ve seen some interesting highs and lows at the pumps wherever you are, call our “Land Line Now” Diesel Price Line. Dial 1-800-324-6856, and then press 2 to record your message. This week, we’re asking Sirius XM listeners to respond to: “What’s the most miles per gallon you’ve ever gotten and how did you do it?” Air date: Feb. 3, 2010.