Niagara Frontier Transportation Authority (Buffalo, New York) North County Transit District (North San Diego County, California) Orange County Transportation Authority (Orange County, California) Pioneer Valley Transit Authority (Springfield, Massachusetts) Port Authority of Allegheny County (Pittsburgh, Pennsylvania) Regional Transportation Commission of Southern Nevada/Citizens Area Transit (Las Vegas, Nevada) Rhode Island Public Transit Authority (Providence, Rhode Island) 1 gas and 1 diesel for testing use only, diesel was converted gas was hybrid from factory Roaring Fork Transportation Authority (Aspen, Colorado) San Diego Metropolitan Transit System/San Diego Transit (San Diego, California) San Francisco MUNI (San Francisco, California) San Joaquin Regional Transit District (Stockton, California) Santa Clara Valley Transportation Authority - VTA (Santa Clara County, California) Santa Rosa CityBus (Santa Rosa, California) Sarasota County Area Transit (Sarasota County, Florida) Sound Transit (Puget Sound region, Washington) Southeastern Pennsylvania Transportation Authority (Philadelphia, Pennsylvania) Southwest Ohio Regional Transit Authority (Cincinnati, Ohio) Spokane Transit Authority (Spokane, Washington) TCAT (Ithaca, NY) TheBus (Honolulu, Hawaii) The Rapid The Interurban Transit Partnership Grand Rapids, Michigan *Has 5 vehicles used in fixed route service. TriMet (Portland, Oregon): two vehicles. University of Michigan Parking and Transportation Services (Ann Arbor, Michigan) Utah Transit Authority (Salt Lake City, Utah) Washington Metropolitan Area Transit Authority Canada Transit Windsor (Windsor, Ontario) Edmonton Transit System (Edmonton, Alberta) Hamilton Street Railway (Hamilton, Ontario) OC Transpo (Ottawa, Ontario) RTC (Quebec City, Quebec) RTL (Longueuil, Quebec) Saskatoon Transit, Saskatchewan STL (Laval, Quebec) STL (Lévis, Quebec) STM (Montreal, Quebec) STO (Gatineau, Quebec) STS (Sherbrooke, Quebec) St. Catharines Transit Commission (St. Catharines, Ontario) Toronto Transit Commission buses [673 out of 2137 regular buses are hybrid as of 2020.] Coast Mountain Bus Company (Vancouver, British Columbia) BC Transit (Kelowna and Victoria). GRT (Waterloo, Ontario). [Currently 6 out of 218 buses in service are hybrid.] London Transit Commission (London, Ontario) Strathcona County Transit (Strathcona County, Alberta) [As of 2014, 10 Nova Bus LFS HEV diesel-electric hybrid buses remain in service] Halifax Transit, Halifax, Nova Scotia. Currently owns two hybrid-electric buses. Lethbridge Transit, Lethbridge, Alberta. 11 out of 42 buses are hybrid. Asia China Beijing Public Transport Kunming Bus Shenzhen Bus Group Shenzhen Eastern Bus Shenzhen Western Bus Jinan Bus Zhengzhou Bus Group Hong Kong Citybus New World First Bus Kowloon Motor Bus India Delhi Multi-Module Transit Mumbai BEST CNG-Hybrid Iran Vehicle, Fuel and Environment Research Institute (VFERI) Pakistan TransP esh Greenline,Karachi awar Japan Marunouchi Shuttle etc. Philippines Green Frog Hybrid Buses Singapore SBS Transit SMRT