Green Bus Summit with Blue Bird: Slash Your Bus Fuel & Maintenance Budget by Adopting the Right Powertrain

By: Claudia Newton

13 July 2026 at 02:09

RENO, Nev. – At the 2026 STN EXPO West Conference, Stephen Whaley, alternative fuels manager at Blue Bird, and Todd Mouw, executive VP of sales, marketing and customer success at ROUSH CleanTech, led a Green Bus Summit discussion offering a deep dive into the urgent challenges and innovative solutions facing student transportation.

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Against the backdrop of a 57 percent surge in fuel costs and tightening California Air Resources Board (CARB) emissions standards in 2027 and 2035, Whaley highlighted the transformative potential of propane buses powered by the Roush/Ford 7.3L engine. These buses are future-proof for emissions compliance, requiring no particulate filter or diesel exhaust fluid, and feature a three-way catalytic converter.

Whaley explored propane’s advantages in detail: its domestic production reaches 30 billion gallons annually, supported by a robust infrastructure of bulk plants and 30,000 delivery trucks, ensuring resilience and price stability – $1.54 per gallon versus diesel’s $4.88. The U.S. Department of Energy’s fueling station locator app aids fleet logistics and propane’s performance and range make it suitable for both small and large districts. With 1,200 school districts across 49 states nationwide using propane – Mississippi being the only holdout – and eight of the last nine School Transportation News Transportation Director of the Year awardees operating propane buses, its adoption is widespread and growing.

Real-world case studies brought the benefits to life. Kay Cornelius, director of transportation for St. Louis County Schools in Minnesota, uses propane for 100 percent of her school bus operations, including the robotics team’s travel over 1,200 miles. Mike Bullman, director of transportation for the South Carolina Department of Education, secured 200 propane buses through Clean School Bus Program funds and finds the fuel financially self-sustaining. Anthony Jackson, director of transportation for Bibb County School District in Georgia, saved $1 million a year using propane buses instead of diesel.

Some districts, Whaley said, leverage savings to boost retention by increasing school bus driver wages.

He explained that propane’s quieter rides and rapid cabin heating enhance student readiness, especially for students who have special needs or noise sensitivity, or who require Individualized Education Programs. He related that Diana Mikelski, recently retired director of transportation for Township High School District two eleven in Illinois, saw improved classroom calm and student readiness after switching to propane.

Mouw confirmed that Roush supports districts with free technician training – which can be web-based, on-site, or at a factory – as well as rapid warranty and parts support. Attendees were invited to tour a Ford engine plant producing 1,000 engines daily as well as Roush headquarters in Michigan.

Propane’s infrastructure, portability and resilience make it a practical, sustainable choice for school transportation, Whaley summed up. The session concluded with a call to action: utilize incentives like AmeriGas’ free fuel offer, ownership calculators, peer connections and firsthand technology exploration. Propane and EV powertrains offer compelling financial, operational and environmental advantages, positioning them as optimal solutions for districts facing rising costs and regulatory demands.

Written with assistance of AI from a session transcript.

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