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Development of Fuel Consumption Test Method Standards for Heavy-Duty Commercial Vehicles in China
ISSN: 0148-7191, e-ISSN: 2688-3627
Published September 13, 2011 by SAE International in United States
Annotation ability available
To restrain the environmental and energy problems caused by oil consumption and improve fuel economy of heavy-duty commercial vehicles, China started developing relevant standards from 2008. This paper introduces the background and development of China's national standard “Fuel consumption test methods for heavy-duty commercial vehicles”, and mainly describes the test method schemes, driving cycle and weighting factors for calculating average fuel consumption of various vehicle categories.
The standard applies to heavy-duty vehicles with the maximum design gross mass greater than 3500 kg, including semi-trailer tractors, common trucks, dump trucks, city buses and common buses. The standard adopts the C-WTVC driving cycle which is adjusted on the basis of the World Transient Vehicle Cycle[1, 2] and specifies weighting factors of urban, rural and motorway segments for different vehicle categories.
The standard proposes simulation modeling and chassis dynamometer test method for heavy-duty vehicles. Accuracy of fuel consumption estimates depends on accuracy of driving resistance estimates, which can be determined by coast down tests data or using empirical formulas. If simulation modeling is selected, the manufacturer should provide the engine testing data (universal testing, etc.).
After the standard draft released, China Automotive Technology and Research Center (CATARC) organized relevant manufacturers to carry out technical verification to improve the standard and simulation model by comparing dyno testing and simulation results and analyzing fuel consumption distribution. At present, this standard has been reviewed and reported for approval, and is expected be issued in 2011.
CitationZheng, T., Jin, Y., Wang, Z., Wang, M. et al., "Development of Fuel Consumption Test Method Standards for Heavy-Duty Commercial Vehicles in China," SAE Technical Paper 2011-01-2292, 2011, https://doi.org/10.4271/2011-01-2292.
- ECE-GRPE WHDC Working Group, Development of a Worldwide Harmonized Heavy-duty Engine Emissions Test Cycle, 2002.
- ECE-GRPE WHDC Working Group, Worldwide Harmonized Heavy Duty Emissions Certification Procedure, 2004.
- CATARC and CAAM, Auto Industry Development Annual Report of China, 2007-2010
- JASIC, TRIAS 5-8-2007, Test Procedure for Fuel Consumption Rate of Heavy-duty Motor Vehicles, Japan, 2007.
- NHTSA and EPA, Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium and Heavy-Duty Engines and Vehicles (Draft), US, 2010.
- NASTC, GB/T 3730.1-2001 Motor vehicles and trailers-Types-Terms and definitions, Standard Press of China, 2001.
- NASTC, GB/T 15089-2001 Classification of power-driven vehicles and trailers, Standard Press of China, 2001.
- NASTC, GB/T 12545.2-2001, Commercial vehicle - Fuel consumption test method, Standard Press of China, 2001.
- SAE International Surface Vehicle Recommended Practice, “Chassis Dynamometer Test Procedure - Heavy-Duty Road Vehicle,”, SAE Standard J2177, Issued April 1992.
- SAE International Surface Vehicle Recommended Practice, “Recommended Practice for Measuring Fuel Economy and Emissions of Hybrid-Electric and Conventional Heavy-Duty Vehicles,” SAE Standard J2711, Issued Sept. 2002.
- NASTC, GB/T 18297-2001 Performance test code for road vehicle engines, Standard Press of China, 2001.
- NESCCAF, ICCT and SRI, Reducing Heavy-Duty Long Haul Combination Truck Fuel Consumption and CO2 Emissions, US, 2009.
- Sandberg, Tony Heavy Truck Modeling for Fuel Consumption Simulations and Measurements, Sweden, 2001.
- European Tyre and Rim Technical Organisation, Commercial vehicle tyres, Standards Manual, EU, 2006.
- ACEA, A Modular Approach to Fuel Efficiency Declaration of Heavy Duty Vehicles, EU, 2009.
- NASTC, GB/T 19233-2008 Measurements methods of fuel consumption for light-duty vehicles, Standard Press of China, 2008.
- MEP, GB 18352.3-2005, Limits and measurements methods for emissions from light-duty vehicles, Standard Press of China, 2001.
- NASTC, GB/T 12534-1990 Motor vehicles- General rules of road test method, Standard Press of China, 1990.
- Zhisheng, Yu Qunsheng, Xia and Liuqi, Zhao Automotive Theory, China Machine Press, Beijing, China, 2009.