RAPCA and MRDD Diesel Retrofit Installations
| Old school bus muffler next to new diesel oxidation catalyst | |
| New diesel oxidation catalyst | |
| Technician from Cummins Bridgeway* removes old muffler from school bus | |
| Technician installing new diesel oxidation catalyst on MRDD school bus | |
| Completed installation |
*Cummins Bridgeway was awarded the bid to install the diesel oxidation catalysts.
Photos courtesy of Cathy O'Neill (RAPCA) and Tim Pfister (MRDD)