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汽車排放和燃油效率測試

為各個關鍵領域帶來真正的商業利益

什麼是汽車排放測試?

汽車排放測試目錄根據全球排放要求和標準,在不同條件下對汽車執行一系列嚴格評估,以確定其燃油效率和溫室氣體排放量。根據技術以及適用的監管要求,比如WLTP和RDE,測試本身也天差地別。汽車排放評估通常包括測試總體發動機效率性能、催化轉化器的有效性、微粒捕集器和其他排放控制設備以及系統對替代燃料的反應。

近年來,人們越來越擔心,實際上路汽車排放測試結果與實驗室排放測試結果存在顯著差異,而且沒有通用的標準化和調和排放測試程序。因此,聯合國和歐盟分別頒佈新的排放和燃油效率測試方法,比如RDE——實際行駛排放測試程序和全球統一輕型車測試程序(WLTP),以獲得更加透明的結果。

觀看我們的影片,瞭解更多關於WLTP和RDE以及TÜV SÜD全球實驗室如何確保統一排放測試程序在不同國家之間提供始終如一的測試結果的資訊。

What is WLTP?

The Worldwide Harmonized Light Vehicles Test Procedure (WLTP), which is applicable across the EU as well as China, Japan, India, Korea and other countries, mandates the use of harmonised test procedures that can evaluate emissions and fuel efficiency in a consistently repeatable and reproducible manner. Specific assessments under the WLTP include exhaust gases concentrations, particulate mass and particulate number, CO2 emissions, fuel and electrical energy consumption and electrical operating range. Testing cycles are generally determined by vehicle class (Class 1, 2 or 3), which are defined by the vehicle’s power/weight ratio. The WLTP includes several changes from existing requirements under the EU’s New European Driving Cycle (NEDC) procedure.

What is RDE?

The European Union’s Real Driving Emissions (RDE) regulations require the use of a portable emissions measuring system (PEMS) attached to the vehicle to measure vehicle pollutant emissions under actual driving conditions. RDE test results are then correlated with emissions results obtained in the testing laboratory. Testing under the EU’s RDE is now required and, since 1 September 2017, type approval requirements also consider emissions levels identified during RDE testing. As of that date, vehicles that fail RDE testing cannot be placed on the market.

Why is fuel efficiency and vehicle emissions testing important?

Vehicle emissions testing offers vehicle manufacturers multiple benefits, such as:

  • Compliance/conformity with emissions regulations and standards to speed up your global market access, including:

  • Determining the best approach for emission reduction by identifying potential innovative technical solutions through early testing in the development process

  • Ensuring vehicle systems and parts perform in accordance with design specification by post-production testing

  • Providing complete Conformity of Production (CoP) documentation

  • Strengthen your brand reputation by reducing CO2 emission, tackle climate change and providing your customer with more environmentally friendly vehicles to boost sales    

TÜV SÜD supports you addressing the WLTP and RDE car emissions test compliance challenges

TÜV SÜD is one of the world’s leading vehicle testing and certification providers with accredited state-of-the-art testing laboratories near all major car producing hubs. Each testing facility is equipped to conduct all essential emissions and fuel consumption tests required for passenger and commercial vehicles and motorcycles in accordance with national regulations, international standards and industry requirements, including RDE and WLTP regulations.

Since the introduction of RDE and the WLTP test, TÜV SÜD has introduced a round robin’ programme to ensure that our multiple laboratories within our TÜV SÜD network, including in China, South Korea and Taiwan, generate consistent results in the different locations while testing the same vehicle according to WLTP and RDE regulations. With the results of the TÜV SÜD round robin tests, we can offer worldwide harmonised fuel efficiency and vehicle emissions testing procedures and ease market access for global manufacturers.

TÜV SÜD’s fuel efficiency and car emissions test services

Our TÜV SÜD fuel efficiency and vehicle emissions testing services include:

  • Real driving emissions (RDE) testing

Correlation tests using portable measuring equipment (PEMS) and real driving emission test procedures, consistent with the requirements of the EU’s RDE regulations to evaluate actual in-use performance.

Testing to assess emissions levels and fuel economy for light-duty vehicles and engines under various operating conditions in accordance with European Union requirements.

  • Worldwide harmonized light vehicles test procedures (WLTP)

Testing and certification of new vehicle types since 2017 for CO2 and exhaust emissions.

Testing in accordance with China’s national emissions regulations.

  • InMotion testing

This includes vehicle measurement on the road, route digitisation and validation of speed profile, and real-life driving simulation under reproducible conditions.

  • Carbon dioxide (CO2) testing

Evaluates the levels of carbon dioxide (CO2) from automobile engines.

  • Conformity of production (CoP) testing

Verifies emissions and fuel economy performance for use in CoP documentation.

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Get an overview of the functional safety standard and learn how to achieve compliance.

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