FR Publication of Houston 2008 Ozone RFP SIP Final Action

The Houston 2008 Serious area Reasonable Further Progress (RFP) SIP revision was signed by the EPA Regional Administrator on April 30th. The action was published in the Federal Register on May 10, 2021 ( EPA’s approval and finding of adequacy for the 2020 MVEBs becomes effective 30 days after the date of FR publication (June 9, 2021).

FHWA Air Quality and Sustainable Transport Highlights

FHWA Highlights

The purpose of this message is to inform you that the latest issue of the FHWA Air Quality and Sustainable Transport Highlights is now available.

The Highlights provide the latest news and information on transportation related air quality and sustainability activities, including information on transportation conformity, resiliency, and other related activities.

Items of interest in this issue include:

  • FHWA announced the fifth round of Alternative Fuel Corridor designations
  • FHWA released Coupled Model Intercomparison Project Processing Tool Version 2.1 (CMIP Tool)

Past issues of the Air Quality and Conformity Highlights are available at:

Past issues of the Sustainable Transport Newsletter are available at:

2nd Transportation, Air Quality and Health Symposium

The Center for Advancing Research in Transportation Emissions Energy and Health (CARTEEH), is hosting the 2nd Transportation, Air Quality and Health Symposium, scheduled for May 18-20, 2021. This virtual event features a robust program discussing research, policy, and emerging issues related to transportation emissions, energy, air quality, exposures, and human health. Further information is available in the attached flyer, and discounted registration is available for government employees.


EPA Reconsideration of SAFE Vehicles Rule Part 1

As directed in President Biden’s Executive Order 13990 on “Protecting Public Health and the Environment and Restoring Science to Tackle the Climate Crisis,” and in response to requests by states and other stakeholders, today the U.S. Environmental Protection Agency (EPA) is seeking public input on its reconsideration of the Agency’s 2019 action titled The Safer Affordable Fuel-Efficient Vehicles Rule Part One: One National Program Rule (SAFE-1) for the purposes of rescinding the action taken by the prior administration.

This follows a separate but related April 22 proposal from the Department of Transportation seeking to withdraw a rule from the National Highway Traffic Safety Administration (NHTSA) deeming such state programs preempted under the Energy Policy and Conservation Act (EPCA).

Equitable Engagement and Access to Electric Vehicles, Webinar

This webinar will address strategies to encourage equal distribution of the benefits of transportation electrification across all communities. Speakers will touch on engaging with traditionally underserved and diverse communities. They will share how they approach community concerns about electric vehicles (EVs), such as cost and potential neighborhood impacts. The webinar guest speakers are eager to address questions on this topic and encourage participants to submit questions at registration. May 6, 3 PM (ET) – Register