From Williamson County, Ill.: Diesel fuel prices have reached record highs, with a national average of $6.23 per gallon reported by AAA. A contract driver for FedEx spent $1,240 to fill up his semitruck. The driver, who travels across the nation, notes that the high cost of diesel fuel is affecting companies. He mentions that filling up half a tank costs around $470 for 65 to 70 gallons of diesel.

Further details on the impact of high diesel fuel prices are available from the source. The driver believes that consumers will soon feel the financial effects at home.

The high cost of diesel fuel is a significant concern, with the driver's expenses exceeding $1,200 per tank.