instrumentation & test systems AVL DELIVERING HIGH-END TECHNOLOGY TO US EPA AVL is delivering another tailor-made emissions chassis dynamometer to an EPA laboratory in Ann Arbor, Michigan, U.S., which will allow the testing of low-emission motor vehicles and the advancement of the exhaust emission legislation in view of future requirements. 2 8 F O C U S > A computer model of the new Emissions Chassis Dyno at the National Vehicle and Fuel Laboratory in Ann Arbor. Since the early seventies, the American environmental agencies CARB (Californian Air Resources Board) and the EPA (Environmental Protection Agency) have been global pioneers when it comes to tightening exhaust emission standards. To develop and review these regulations, the EPA operates the NVFEL (the National Vehicle and Fuel Emissions Laboratory) in Ann Arbor, where a new system will be focused on fulfilling the next reduction stage (Tier 3) for exhaust emissions in passenger vehicles (light and medium duty). This reduction stage will enter into force in 2017 and requires high-precision measurement equipment and state-of-the-art exhaust emission automation technology. CHASSIS DYNOS FOR EMISSION TESTING AT THE NVFEL Until 2011/2012, the NVFEL had six test cells, each fully equipped with instrumentation and test systems provided by a Japanese competitor. However, with its introduction of the AVL iGENERATION product family, consisting of the AVL AMA i60 exhaust measurement system, the AVL CVS i60 exhaust gas dilution system and the AVL PSS i60 particulate sampler from 2008 onward, AVL defined a new standard for combustion engine certification. The addition of the AVL SESAM i60 FT (FTIR-based exhaust emission measurement system for up to 30 gas components) along with its test bed automation systems AVL iGEM Vehicle/Engine for chassis and engine test beds to the product family led the NVFEL to decide in favor of AVL’s powerful solutions for the first time in 2011.
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