1–6 of 6 hits
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    Review of Vehicular Emissions Trends

    Johnson, Timothy V. | SAE Technical Papers | 2015
    tailpipe regulations. LD (light duty) and HD (heavy-duty) engine technology continues showing marked improvements in engine efficiency. Key ...
    Publisher: Society of Automotive Engineers , SAE International

    Review of Diesel Emissions and Control

    Johnson, Timothy V. | SAE Technical Papers | 2010
    into the future.Engine technology is addressing these needs. Heavy-duty (HD) research engines show 90% lower NOx at the same PM or fuel ...
    Publisher: Society of Automotive Engineers , SAE International

    Review of CO2 Emissions and Technologies in the Road Transportation Sector

    Johnson, Timothy V. | SAE Technical Papers | 2010
    reductions will come from the use of direct injection technology in gasoline engines, and downsizing diesel and gasoline engines for more specific ...
    Publisher: Society of Automotive Engineers , SAE International

    Vehicular Emissions in Review

    Johnson, Timothy V. | SAE Technical Papers | 2012
    metal thrifting. Sulfur impacts are significant on the new formulations. Finally, the emerging technology of GPFs (gasoline particulate ...
    Publisher: Society of Automotive Engineers , SAE International

    Diesel Emission Control in Review

    Johnson, Timothy V. | SAE Technical Papers | 2009
    updated.Diesel particulate filter (DPF) technology is in a state of optimization and cost reduction. New DPF regeneration strategies are described as ...
    Publisher: Society of Automotive Engineers , SAE International

      Diesel Emission Control in Review

      Johnson, Timothy V. | SAE Technical Papers | 2008
      updated.Diesel particulate filter (DPF) technology is in a state of optimization and cost reduction. New DPF regeneration strategies are described as ...
      Publisher: Society of Automotive Engineers , SAE International

    Diesel Emissions in Review

    Johnson, Timothy V. | SAE Technical Papers | 2011
    , particulate matter (PM) reductions, and hydrocarbon (HC) and CO oxidation.Regulations are advancing with proposals for 70% tightening of fleet average ...
    Publisher: Society of Automotive Engineers , SAE International