School districts face a back-to-school math problem: The high price of diesel

With the war in Iran driving up fuel prices, diesel is now nearly $5.60 a gallon, affecting school districts at the start of the year.

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/3000x1461+0+0/resize/3000x1461!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F46%2F9a%2F0dd874c54c9e85b413c1138966e8%2Fschool-buses.jpg' alt='School buses idle in front of a school in Manhattan's East Village on Jan. 15, 2013.'/><p>With the war in Iran driving up fuel prices, diesel is now nearly $5.60 a gallon, affecting school districts at the start of the year.</p><p>(Image credit: Mario Tama)</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5944429' />