School Districts Face the Highest Back-to-School Diesel Prices in U.S. History as Millions of Students Return to School This Week

RICHMOND, VA. (August 14, 2026) — This week, millions of students returned to school on the nation’s largest mass transit fleet — the yellow school bus — amid the highest back-to-school diesel prices in U.S. history. According to data from the U.S. Energy Information Administration (EIA), national diesel prices exceeded an all-time August record average of $5.30 per gallon, while daily real-time data from AAA shows diesel prices continue to climb, reaching over $5.40 per gallon to close out the peak 2026 back-to-school week.

With nearly 90% of the country’s 480,000 school buses still running on diesel, districts that have diversified their fleets with cleaner alternatives are entering the school year far better protected from the squeeze of volatile fuel prices.

Propane autogas is the most widely deployed alternative fuel at scale, with tens of thousands of propane autogas buses operating in districts across the country experiencing much lower prices.

“When diesel goes up by two dollars a gallon and propane autogas only goes up about 15 cents, that’s a big difference,” Sam Corson, bus and automotive maintenance manager for Newport News Public Schools, said.

Corson’s experience stands in stark contrast to the broader national picture. A recent survey by AASA, ASBO and NAPT found that more than half of school districts are already over budget on fuel, including 14 percent that exceeded their fuel budgets by more than 20 percent. To compensate, two in five districts have consolidated bus routes or limited transportation capabilities.

Fleet diversification has proved vital for protecting transportation budgets, with propane autogas offering significantly greater savings and stability as a domestic, abundant fuel.

“While diesel prices swing by dollars per gallon, propane autogas moves by mere pennies,” Joel Stutheit, senior manager of autogas business development at the Propane Education & Research Council (PERC) said. “Districts operating propane autogas buses have seen prices under a dollar a gallon when diesel topped five dollars. That stability preserves hundreds of thousands of dollars for the classroom.”

Real-World Examples of Financial Relief for Schools
Today, more than 24,000 propane buses now serve 1,100 school districts across 49 states, offering practical emissions reductions without sacrificing daily operational flexibility.

“The biggest misconception is that cleaner transportation has to cost more,” Stutheit said. “Propane autogas fleets prove the exact opposite: dramatically lower fuel bills alongside significantly cleaner air.”

The real-world benefits of moving away from diesel are playing out in school districts from coast to coast, such as that in Virginia at Newport News Public Schools. Last year alone, the district saved approximately $439,000, achieving $2 million in total fuel savings over the last nine years for the 189 propane buses traveling more than 2.7 million miles per year.

“I’m grateful we weren’t in a situation where we had to recover funds from another part of the budget just to cover fuel,” Sam Corson said. “That could have sacrificed our ability to purchase new vehicles for our support fleet or taken away from what we use to purchase new school buses.”

Indiana’s Wa-Nee Community School Corporation also demonstrates the stark difference between diesel and propane-autogas. Last year, the district paid an average of just $0.99 per gallon for propane autogas when local diesel prices reached $5.06 per gallon. Wa-Nee saves around $10,000 for every 30,000 miles driven with nearly half of its 56-bus fleet running on propane autogas. The Wa-Nee Community School Corporation’s fleet annually covers 450,000 miles for 2,500 students.

For Amy Rosa, Wa-Nee’s director of safety and transportation, those savings mean far more than just balancing a spreadsheet.

“Every year we save money so that our kids can continue in sports and music programs with no fees,” Rosa said. “That’s our goal — to continue reducing costs for our students and our taxpayers.”

Schools across the country are following suit to maintain transportation capabilities while making busing safer for students. Oregon’s Beaverton School District now projects an annual savings between $400,000 and $500,000 after expanding its fleet to 65 propane buses. Meanwhile, Prince William County Public Schools, one of Virginia’s largest school systems, recently integrated its first 62 propane autogas buses, taking a major step toward fleet diversification and long-term budget stability.

Stability, Performance, and Future Compliance
Because propane autogas is domestically abundant, its pricing avoids the volatility tied to global crude oil markets. Transportation directors also favor propane autogas for practical operational reasons:

• Lower Maintenance: Avoids the complex, costly emissions after-treatment systems required on modern diesel engines.
• Cold-Weather Reliability: Starts dependably in extreme winter temperatures.
• Regulatory Readiness: Propane autogas engines already exceed the upcoming 2027 EPA near-zero emissions standards, protecting districts from anticipated price hikes on future diesel technology.

What started as an investment in sustainability is delivering financial resilience. For districts balancing tight budgets with environmental stewardship, moving beyond diesel pays off.

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About PERC: The Propane Education & Research Council is a nonprofit that provides leading propane safety and training programs and invests in research and development of new propane-powered technologies. PERC is operated and funded by the propane industry. For more information, visit Propane.com.