NVFELNational Vehicle and Fuel Emissions Laboratory
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Over the last several years, the Ann Arbor site has seen a significant upgrade of its testing infrastructure, which included the installation and commissioning of five test cells that are intended to spearhead the NVFEL's testing of Tier 2 vehicles, Tier 2 and 3 non-road engines, and 2007-compliant heavy-duty on-road engines.
STARS, the product of a joint venture between Schenck-DTS, Ricardo and Horiba (SRH), has established its capabilities and robustness, which a recent test sequence involving a Caterpillar D12 diesel engine at NVFEL's heavy-duty test cell No.
As a result, STARS was fully accepted at NVFEL for validating tests to EPA standards.
Here is a brief overview of each of the NVFEL test sites:
Heavy-Duty On-Road/Nonroad Test Sites--New and refined test systems from Horiba will soon be installed in two heavy-duty engine test sites at NVFEL to support EPA's very stringent standards for both on-highway and nonroad heavy-duty engines.
* A complete gaseous and particulate measurement system for new site HD05 located in rooms 423/425 at NVFEL, featuring a combination gas/diesel CVS, a particulate sampler, and a pair of MEXA-7000 benches--one for bag/continuous dilute analysis and the other for direct raw exhaust analysis.