Iowa School Bus Fleet | Cerma Diesel Treatment Case Study
St. Ansgar Community Schools - Fleet Diesel Treatment Results
David Juls, Director of Transportation at St. Ansgar Community Schools in Iowa, shares the results of treating their entire school bus fleet with Cerma STM-3 diesel treatment.
Fleet Overview
- 11 school buses – 3 vans and 1 car treated with Cerma
- Mileage range: 11,000 to 224,000 miles
- Engine types: Various diesel engines
Key Results
- Significant reduction in idle noise – Especially in older buses
- Transmission shifts smoother – Better drivability
- Improved fuel mileage – From 7-8 MPG to 9+ MPG on some vehicles
- Bus #17 (2003 with 200k miles) – Went from 6 to 20k miles improvement
- Buses run daily – Averaging 60 miles with shorter trips and cold starts
Fleet Mileage Improvements
| Vehicle | Before | After |
|---|---|---|
| 4 Buses - 10 Mystery Conversions | Baseline | Improved |
| 4 Buses - 466 DT | 7-8 MPG | 9+ MPG |
| 3 Vans and Car | Baseline | 1 to 3 MPG improvement |
View the full testimonial below:
Questions about Cerma for school bus fleets or diesel applications? Call 239-344-9861 or email Info@cermatreatment.com
