Search Results for keywords:"transportation conformity"

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Search Results: keywords:"transportation conformity"

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  • 2025-04908 — Air Plan Approval; AK, Fairbanks North Star Borough; 2006 24-Hour PM2.5 Serious Area and 189(d) Plan
    Type:Proposed Rule
    Citation:90 FR 13431
    Reading Time:about 3 minutes

    The Environmental Protection Agency (EPA) is reopening the public comment period on a proposed rule concerning air quality standards in Fairbanks North Star Borough, Alaska. Originally published on January 8, 2025, the proposed rule pertains to the 2006 24-hour fine particulate matter (PM2.5) standards. Due to requests for more time to evaluate the proposal, the EPA has extended the comment period by 30 days, until April 23, 2025. However, the EPA is not reopening the comment period for the transportation conformity adequacy process related to motor vehicle emissions budgets.

    Simple Explanation

    The EPA wants to make sure the air in part of Alaska is healthy to breathe, and they are giving people more time to tell them if they think their plan is good or not. They won't allow extra time to talk about car pollution rules, though.

  • 2021-00023 — Official Release of the MOVES3 Motor Vehicle Emissions Model for SIPs and Transportation Conformity
    Type:Notice
    Citation:86 FR 1106
    Reading Time:about 21 minutes

    The Environmental Protection Agency (EPA) has released the MOtor Vehicle Emission Simulator model (MOVES3) for use outside of California. This is an update to the EPA's tools for estimating emissions from vehicles. MOVES3 should be used for state plans and transportation conformity, starting a two-year grace period that allows its adoption before it becomes mandatory by 2023. It includes updates like new emission rates and data from various sources, improving the accuracy of emissions estimates.

    Simple Explanation

    The EPA has made a new tool called MOVES3 to help figure out the pollution from cars and trucks, but it won’t be required to use it for a couple of years to help people get used to it.

  • 2024-29073 — Official Release of the MOVES5 Motor Vehicle Emissions Model for SIPs and Transportation Conformity
    Type:Notice
    Citation:89 FR 99862
    Reading Time:about 22 minutes

    The Environmental Protection Agency (EPA) has released the MOVES5 model, which is used to estimate emissions from vehicles like cars, trucks, and buses. This model is crucial for creating state implementation plans (SIPs) and transportation conformity analyses, and it incorporates the latest data and regulations on emissions. While it must be used immediately in SIP development, there's a two-year grace period until December 2026 for it to become mandatory in transportation conformity analyses outside of California. The EPA provides guidance and support materials to help users transition to MOVES5, ensuring they can accurately assess vehicle emissions.

    Simple Explanation

    The EPA has created a new tool called MOVES5 to help figure out how much pollution comes from vehicles like cars and buses. People who work with this tool have two years to start using it outside of California.