American drivers notice soaring gas prices. But another fuel – diesel – is also on the rise, and at a much faster pace.

A week into the Iran war and diesel now averages just shy of $5/gallon. Unfortunately, spot rates didn't reflect that reality in the last week with van and reefer rates falling.

GRAND RAPIDS, Mich. — Remember the days when the driver of a diesel-operated vehicle would save more money than drivers who filled up with gasoline? It’s been nearly 20 years since diesel cost less ...