Ride On ordered its first three compressed natural gas (CNG) buses in 1996. These buses operated from the Gaithersburg garage for their entire careers. In the mid-2000s, they were renumbered to better fit in the fleet numbering scheme after the arrival of the Orion VII/CNGs. These buses are no longer in service.
Orion V/CNG 5567 at Medical Center, September 25, 2002
Orion V/CNG 5567 at Ride On's Gaithersburg garage, August 15, 2003
Orion V/CNG 5568 at Rockville Station, May 16, 2003
Orion V/CNG 5568 at Rockville Station, May 16, 2003
Orion V/CNGs 5568 (right) and 5569 at Ride On's Gaithersburg Garage, June 13, 2002
Orion V/CNG 5569 at Grosvenor-Strathmore, June 7, 2002
Orion V/CNG 5569 on Tuckerman Lane at Deborah Drive, June 7, 2002
Orion V/CNG 5569 at Bethesda, November 21, 2003
Orion V 5997 at Shady Grove, March 20, 2009
Orion V 5997 at Shady Grove, March 20, 2009
Orion V/CNG 5997 at Shady Grove, March 20, 2009