Diesel surpassed $6 per gallon for the first time in U.S. history earlier this month, according to data from AAA. Today, diesel sits at $6.51 per gallon, an all-time high. A year ago, it was $3.69. The cost of diesel rose 42 cents last week alone.

The Illinois Tollway Board on Wednesday approved a massive 15-year, $26.5 billion capital spending plan that will raise vehicle tolls beginning next year.