1–20 von 44 Ergebnissen
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    Evaluation of Light-Duty Gasoline Vehicle Rated Fuel Economy Based on In-Use Measurements

    Khan, Tanzila / Frey, H. Christopher | Transportation Research Record | 2016

    Measurement and Evaluation of Real-World Speed and Acceleration Activity Envelopes for Light-Duty Vehicles

    Liu, Bin / Frey, H. Christopher | Transportation Research Record | 2015

    Effect of Air-Conditioning on Light Duty Gasoline Vehicles Fuel Economy

    Khan, Tanzila / Frey, H. Christopher | Transportation Research Record | 2019

    Effects of Errors on Vehicle Emission Rates from Portable Emissions Measurement Systems

    Sandhu, Gurdas S. / Frey, H. Christopher | Transportation Research Record | 2013

    Real-World Measurement and Evaluation of Duty Cycles, Fuels, and Emission Control Technologies of Heavy-Duty Trucks

    Sandhu, Gurdas S. / Frey, H. Christopher | Transportation Research Record | 2012

    Comparison of Locomotive Emissions Measured during Dynamometer versus Rail Yard Engine Load Tests

    Graver, Brandon M. / Frey, H. Christopher | Transportation Research Record | 2013

    Quantification of Energy Saving Potential for A Passenger Train Based on Inter-Run Variability in Speed Trajectories

    Yuan, Weichang / Frey, H. Christopher / Rastogi, Nikhil | Transportation Research Record | 2019

    Comprehensive Field Study of Fuel Use and Emissions of Nonroad Diesel Construction Equipment

    Frey, H. Christopher / Rasdorf, William / Lewis, Phil | Transportation Research Record | 2010

    Real-World Freeway and Ramp Activity and Emissions for Light-Duty Gasoline Vehicles

    Frey, H. Christopher / Delavarrafiee, Maryam / Singh, Sanjam | Transportation Research Record | 2017

    Fuel use and emission rates reduction potential for light-duty gasoline vehicle eco-driving

    Yuan, Weichang / Frey, H. Christopher / Wei, Tongchuan | Elsevier | 2022

    Effect of Light Duty Vehicle Performance on a Driving Style Metric

    Tanvir, Shams / Frey, H. Christopher / Rouphail, Nagui M. | Transportation Research Record | 2018

    Estimating Diesel Vehicle Emission Factors at Constant and High Speeds for Short Road Segments

    Choi, Hyung-Wook / Frey, H. Christopher | Transportation Research Record | 2010