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New Zealand Experience with Natural Gas Fuelling of Heavy Transport Engines
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English
Abstract
The use of compressed natural gas (CNG) as a fuel for heavy transport engines is still in the development stage, however, experience has shown promising results in certain applications. While most of the recent work done in New Zealand on CNG use has been centered around non-turbocharged, high speed, spark ignition (SI) conversions, there is still likely to be a role for dual fuel engines in some applications.
This paper presents a review of New Zealand experiences with the use of CNG as a fuel in heavy transport diesel engines. Both dual fuel and 100% CNG fuelling (dedicated spark ignition conversions) are discussed. The advantages and disadvantages of each are reviewed in terms of vehicle performance, fuel costs and operational experiences. Brief reviews of experimental results and discussions of technical aspects of conversions, experience in fleet use, economic and operational aspects, current research and computer modelling of fleet performance are also included.
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Raine, R., McFeaters, J., Eider, S., and Stephenson, J., "New Zealand Experience with Natural Gas Fuelling of Heavy Transport Engines," SAE Technical Paper 892136, 1989, https://doi.org/10.4271/892136.Also In
References
- Stephenson, J. Raine, R.R. Elder. S.T. Callan, T. 1986 ‘Report on the Supplementary Fuelling of Diesel Engines with Natural Gas’ Liquid Fuels Trust Board Project 640/03/5
- Raine, R.R. Stephenson, J. Elder. S.T. 1988 ‘Conversion of Diesel Engines to CNG Spark Ignition Operation’ Ministry of Energy Report No. RD8802
- Marchini, A. Mariani, F. 1988 ‘Prospects for the Use of Natural Gas as a Vehicle Fuel in Italy’ International Conference- NGV-88 Sydney
- Bedell, R. A. 1985 ‘Management of Fleet Vehicle Operations on Natural Gas as a Primary Fuel’ The Gas Association of New Zealand Rotorua
- Private communication Smith Denis Auckland Regional Authority (ARA) Development Engineer July 1989
- van der Weide, J. 1988 ‘Natural Gas in Heavy Duty Engines’ International Conference- NGV-88 Sydney
- Stephenson, J. 1988 ‘Technical and Economic Factors in the Operation of CNG Fleet Vehicles’ International Conference - NGV ‘88 Sydney
- McFeaters, J.S. 1989 ‘An Investigation of the Ricardo E6/T Engine as a Test Bed for Diesel-to-Spark Ignition Conversions’ Ministry of Energy Report No. RD8811
- Raine, R.R. Eider, S.T. 1989 ‘Dedicated CNG Engine Developments’ Ministry of Energy Report No. RD8808