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Gain Fuel Canada*/Emterra Environmental | Change Energy

Gain Fuel Canada*/Emterra Environmental

Project Background

Emterra Environmental contracted U.S. Venture Gain Fuel Canada to design, build, own and operate a GAIN Clean Fuel CNG refuelling station in Mississauga, Ontario to serve 140 waste and recycling vehicles being deployed in the Region of Peel, Ontario. Together the two companies decided that the project should include additional retail fuelling lanes for third party CNG fleets.

Challenges and Solutions

Commitments to municipal fleets required fast-tracking of the project’s design and permitting. Gain Fuel Canada* contracted Change Energy (CE) as the project’s engineer of record and CE subsequently teamed with Conestoga-Rovers Associates (now GHD) to deliver the full scope of engineering and permits and approvals for the project.

The facility’s compression system needed to serve 24/7 operations while complying with Ontario’s Operating Engineers Act. Change Energy worked with Gain Fuel Canada*/Emterra and equipment manufacturers to design a system that limited the requirement for on-staff compressor operators.

Project Fact Sheet

Date of completion: 2015

Scope of Work:

The CES/GHD team provided:

  • All engineering – process and mechanical, civil and structural, electrical (under contract) and geotechnical
  • Municipal approval and permitting
    • Site plan control
    • Zoning and minor variance
    • Building and signage permit
  • Provincial approval and permitting
    • Technical Standards Safety Authority
    • Electrical Safety Authority
    • Ministry of Labour (pre-start safety review)
    • Ministry of Environment & Climate Change (air & noise)
  • Federal compliance
    • Measurement Canada (retail fuel sales)



  • Two 400-HP reciprocating compressors, simplex


  • 6 x ASME pressure vessel
  • 34 cf water capacity per vessel
  • Up to 11,500 scf CNG capacity per vessel

Priority Gas Control Panel for simultaneous fuelling:

  • GAIN Clean Fuel retail forecourt
  • Emterra time-fill compound

Secondary Gas Control Panel, semi-automatic, to dispense to three distinct groups within time-fill compound


  • 2 x Measurement Canada certified fast-fill dispensers
  • Time-fill Group 1: 52 stalls
  • Time-fill Groups 2 and 3: 44 stalls each

* U.S. Venture GainFuel Canada

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