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Emissions Control of Gasoline Engines for Heavy-Duty Vehicles
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English
Abstract
This paper summarizes an investigation of reductions in exhaust emission levels attainable using various techniques appropriate to gasoline engines used in vehicles over 14,000 lbs GVW. Of the eight gasoline engines investigated, two were evaluated parametrically resulting in an oxidation and reduction catalyst “best combination” configuration. Four of the engines were evaluated in an EGR plus oxidation catalyst configuration, and two involved only baseline tests. Test procedures used in evaluating the six “best combination” configurations include: three engine emission test procedures using an engine dynamometer, a determination of vehicle driveability, and two vehicle emission test procedures using a chassis dynamometer. Dramatic reductions in emissions were attained with the catalyst “best combination” configurations. Engine durability, however, was not investigated.
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Citation
Urban, C., Springer, K., and McFadden, J., "Emissions Control of Gasoline Engines for Heavy-Duty Vehicles," SAE Technical Paper 750903, 1975, https://doi.org/10.4271/750903.Also In
References
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- 37 221 November 15 1972