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Light Vehicles

Proven Conversion Technologies


Natural gas provides a proven, commercially available option to reduce carbon emissions using lower cost fuel. Passenger vehicles can be converted to bi-fuel natural gas/gasoline operation using advanced conversion technology available from Canadian company ECO Fuels. CNGVA member companies Hitec Fuel Systems, ATW Automotive, and Kiff Automotive offer certified installation services for consumers and for fleets. Hitec has provided conversions for fleets of several Fortune 500 companies in Western Canada. ATW serves the Southwestern Ontario market. Kiff Automotive converts vehicles for Canada's largest natural gas vehicle fleet owner, Enbridge Gas Distribution.

High mileage fleets can expect to payback the conversion cost through fuel savings within a 2-5 year timeframe. Major improvements in conversion technology mean that performance issues associated with early generation technology such as cold start concerns and loss of power are no longer a problem. Current generation technology incorporates sequential fuel injection and sophisticated electronics that control a range of functions and monitor engine temperature so that natural gas is introduced only after the engine has reached the desired temperature.


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Enbridge1Toronto-based Enbridge Gas Distribution operates one of North America's largest fleets of natural gas vehicles with an estimated 635 out of 825 fleet vehicles operating on natural gas. The majority of the vehicles used by Enbridge are aftermarket conversions, although the company also has some dedicated Honda Civics imported from the United States and five recently-acquired dedicated CNG medium-duty dump trucks.


Read more about Enbridge's fleet

OEM Vehicles

In addition to conversion technology, there are natural gas vehicles available from original equipment manufacturers. General Motors (GM) has announced that, as of Fall 2010, its Chevrolet Express and GMC Savana full-size vans will be available to fleet customers with a dedicated CNG fuel system. Vehicle chassis produced by GM will have their CNG fuel systems installed by Indiana-based  Productive Concepts with calibration from Utah's Natural Drive. The vehicles will come with a three-year, 36,000 mile new vehicle limited warranty and a five-year, 100,000 mile limited powertrain warranty.

Ford has increased that number of vehicles it offers with CNG-prepped chassis. A CNG-prepped vehicle has hardened exhaust valves and valve seats to make it suitable for aftermarket conversion to natural gas. Ford now offers CNG-prepped E-Series vans, Transit Connect, F-450 and F-550 Super Duty trucks suitable for aftermarket conversion.

Carbon-Based Regulations

Saskatchewan_Research_Council_NG_Hybrid_TahoeBoth Canada and the United States have announced carbon-based tailpipe regulations for passenger vehicles. In Canada, as of the 2011 model year,  passenger vehicle manufacturers will need to meet specific targets for fleet average carbon emissions on a grams of carbon dioxide per kilometer basis. The new rules will also require that carbon emissions decrease each year until 2016. Natural gas can help manufacturers reduce their corporate fleet average carbon emissions. In Europe where carbon-based tailpipe standards are already in place, Fiat ranks as the automaker with the lowest carbon average and has done so for three years in a row. Fiat sells the most factory-built natural gas vehicles in Europe. The inclusion of natural gas vehicles within Fiat's product portfolio contributes to its low carbon ranking.