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Aaron Isenstadt

Aaron Isenstadt

Program Associate
Works out of: Washington, DC
Started w/ ICCT in: 2015

Aaron Isenstadt is a Program Associate in the Passenger Vehicle program, with expertise in vehicle technology and policy. Aaron joined the ICCT as a PV Fellow in October 2015 and his work has been supporting the U.S. passenger vehicle greenhouse gas technology assessment. Before joining the ICCT, Aaron worked at the US Patent and Trademark Office as a patent examiner. He holds a B.S. in Mechanical Engineering from Brown University and in his free time volunteers as a bike mechanic at a local farmer’s market in DC.

Recent Work

  • Diesel Technology Developments



    Highlights important innovations and trends in diesel engines and emission control systems, some of which were not considered when the 2025 CAFE and greenhouse gas standards were finalized, yet promise to improve diesel passenger vehicles’ cost-effectiveness, especially for larger classes.

  • Diesel Engines

    Working paper


    Diesel engines, aftertreatment, and emissions control have developed since 2012, improving diesel vehicles’ cost-effectiveness, particularly for larger passenger vehicle classes.

  • Efficiency technology and cost assessment for U.S. 2025–2030 light-duty vehicles

    White paper


    Analyzes emerging vehicle-efficiency technologies with respect to cost and capacity to lower carbon emissions from passenger cars and light-duty trucks in the 2025–2030 time frame.