The national average price for diesel gasoline is currently $3.536 per gallon, reflecting a decrease of 3.7 cents for the week of November 4. This follows a recent trend of fluctuations, including a 2-cent increase the previous week and various increases and decreases throughout October. Compared to last year, the average price has dropped by 83 cents, an improvement from the 88.1-cent decrease noted in late October. Additionally, WTI Crude is trading at $72.11, up from $67.79 the previous week.