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Australia: Light-duty: Diesel CUEDC
Overview This page contains information about the Composite Urban Emissions Drive Cycles (CUEDCs)—a collection of non-regulatory test cycles developed and used in Australia. Development of the CUEDCs...
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EU: Light-duty: New European Driving Cycle
Overview The New European Driving Cycle (NEDC) is a version of the former ECE+EUDC test. The ECE+EUDC cycle (also known as the MVEG-A cycle) was used for emission certification of light duty vehicles...
View ArticleUS: Light-duty: FTP-72
Overview The U.S. FTP-72 (Federal Test Procedure) cycle is also called Urban Dynamometer Driving Schedule (UDDS) or LA-4 cycle [CFR 40, 86, App.I]. The regulatory definition of this cycle is the basis...
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US: Light-duty: FTP-75
Overview The FTP-75 (Federal Test Procedure) has been used for emission certification and fuel economy testing of light-duty vehicles in the United States. The test is often referred to as simply...
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International: Heavy-duty: World Harmonized Stationary Cycle (WHSC)
Overview The World Harmonized Stationary Cycle (WHSC) test is a steady-state engine dynamometer schedule defined by the proposed global technical regulation (GTR) developed by the UN ECE GRPE group....
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International: Heavy-duty: World Harmonized Transient Cycle (WHTC)
Overview The World Harmonized Transient Cycle (WHTC) test is a transient engine dynamometer schedule defined by the proposed global technical regulation (GTR) developed by the UN ECE GRPE group. The...
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International: Light-duty: Worldwide Harmonized Light Vehicles Test Procedure...
Overview The Worldwide Harmonized Light Vehicles Test Procedure (WLTP) is a chassis dynamometer test cycle for the determination of emissions and fuel consumption from light-duty vehicles. Contents...
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International: Nonroad: ISO 8178
Overview ISO 8178 is an international standard for exhaust emission measurement from a number of non-road engine applications. It is used for emission certification and/or type approval testing in...
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International: Nonroad: NRTC Test
Overview The NRTC test is a transient driving cycle for mobile nonroad diesel engines developed by the US EPA in cooperation with the authorities in the European Union (EU). The test is used...
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EU: Light-duty: Real-Driving Emissions (RDE)
Overview Starting in 2017, the Real-Driving Emissions (RDE) test became part of the type-approval procedure for all new passenger cars and vans. The RDE test is an on-road emissions test meant to...
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