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Diesel emission reduction in construction equipment.
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Diesel emission reduction in construction equipment.
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  • Abstract:
    The state of Rhode Island general law

    “The Diesel Emission Reduction Act”

    required a pilot project be undertaken to

    gain a better understanding of the

    impact of this legislative act.

    The Rhode Island Department of

    Transportation (RIDOT) was named the

    responsible party to commission and

    fund the pilot project. The pilot project

    was funded under a force account as

    part of the overall construction budget

    for the Waterfront Drive Project from

    Warren Avenue to Dexter Street in East

    Providence, RI. The force account was

    established by internal RIDOT engineers

    based upon best known practices. The

    force account established equated to

    3.1% of the overall estimated

    construction cost of this phase of the


    The pilot project was granted to the

    University of Rhode Island (URI). The

    focus was to gain insight into the retrofit

    process and to determine the most

    appropriate level of emission control

    and best practices needed to reduce

    diesel emissions on Public Works

    Projects. The outcomes have been

    utilized to better define the retrofit

    process for off road diesel construction

    equipment and to develop a road map

    for the State of Rhode Island to outline

    the most feasible and cost effective

    approach for reducing diesel particulate

    matter (PM) in the legacy fleet of

    construction equipment.

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