Rising diesel prices could push up costs across the U.S. economy, as many goods move by diesel-powered trucks.

Diesel now costs $5 a gallon on average, with prices up $1.2 over the last 14 days—the largest two week price spike on record ...

U.S. diesel prices on Tuesday topped $5 per gallon for the first time in more than three years, as the escalating war in the Middle East has triggered the biggest oil supply disru ...