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A closer look at diesel emissions

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Updated Jan 27, 2023

Despite their collective impact on air quality, the Environmental Protection Agency regulates nitrogen oxide and particulate matter emissions independently. In this week's 10-44, Jason and Matt are joined by Chevron Lubricants Senior Staff Engineer Shawn Whitacre to discuss why, and which truck systems have the greatest influence on the various types of diesel engine emissions as more strict air quality and emission regulations loom over the trucking industry. 

02:14 Combustion, emissions, and particulate matter

04:00 NOx and particulate matter

07:32 Engine compliance

09:01 New oil formulation standards