Science & Technology
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EPA's Report on the Environment Webinar Archive
The Report on the Environment (ROE) is a comprehensive source of the best available indicators on the status and trends in the environment and human health.
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Excess Food Opportunities Map Webinar Archive
The Excess Food Opportunities Map seeks to support nationwide diversion of excess food from landfills by identifying and displaying facility-specific information about potential generators and recipients of excess food.
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Effectiveness of Medical and Cloth Masks for COVID-19 Protection Webinar Archive
Archive page for EPA Tools and Resources Webinar: Effectiveness of Medical and Cloth Masks for COVID-19 Protection, held on January 27, 2021.
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Citizen Science at EPA Webinar Archive
This EPA Tools and Resources webinar provides an overview of citizen science and showcases several EPA citizen science activities involving partnerships with state, tribal and local governments on a diversity of issues.
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Community Water System Service Area Boundaries Training Webinar Archive
This EPA Tools & Resources training webinar, recorded on February 13, 2025, focuses on Community Water System Service Area Boundaries.
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Alternative Water Sources to Augment Water Supplies Webinar Archive
This EPA Tools & Resources webinar, recorded on February 19, 2025, focused on Alternative Water Sources to Augment Water Supplies.
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Climate Change Science
EPA tracks the science on the causes of climate change, observations of climate changes today, and the ways climate change could affect societies and ecosystems in the future.
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Tractor Trailer Geometries for Computational Fluid Dynamics
Tractor Trailer Geometries for Computational Fluid Dynamics (CFD)
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Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2016
This page provides manufacturer-run in-use testing program data from heavy-duty diesel engine manufacturers in compliance with 40 CFR 86 Subpart T for Test Year 2016.
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Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2017
This page provides manufacturer-run in-use testing program data from heavy-duty diesel engine manufacturers in compliance with 40 CFR 86 Subpart T for Test Year 2017.
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Heavy-Duty Highway Powertrain Family Naming Conventions
This page provides the engine family naming convention for heavy-duty powertrain families.
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Reporting Templates for Light-Duty Greenhouse Gas (GHG) Standards
Manufacturers must submit greenhouse gas certification and reporting data through EV-CIS, formerly Verify, EPA’s engine and vehicle compliance information system.
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EPA’s Marine Remanufacturing Program: Maintaining Compliance when Rebuilding Category 1 and 2 Marine Diesel Engines
EPA maintains a list of remanufacture systems, or “kits”, certified for use with Category 1 and 2 marine diesel engines according to the provisions of 40 CFR Part 1042, Subpart I, and is periodically updated.
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Heavy-Duty Highway Tractors and Vocational Vehicles: Family Naming Conventions
How to create Positions 5-12 of your Engine Family name for Complete Heavy-Duty Highway Vehicles (tractors and vocational vehicles >14,000 pounds GVWR).
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Information about Family Naming Conventions for Vehicles and Engines
Family naming conventions overview, find applicable model year code, determine your manufacturer code, and find you industry sector.
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How do I Create Scripts to run MOVES3 from the Command Line?
See More Frequent Questions about MOVES and Related Models. While the easiest way to interact with MOVES3 is via its graphical user interface (GUI), it is sometimes useful to process MOVES RunSpecs in batches via the Windows command line. To this end, MOVES3 has a set of commands that can…
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Does MOVES work with the Apple Macintosh operating system (iOS)?
See More Frequent Questions about MOVES and Related Models. MOVES is designed for the Windows operating system and EPA tests it only on Windows. We do not have the capability to adapt MOVES for iOS or test its use in an Apple environment. We expect MOVES can be used on…
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EPA, MDEQ to Hold Community Meeting, Provide Update on Agency Response to TCE Contamination in Private Drinking Water Wells
Media Advisory, (EPA) and Mississippi Department of Environmental Quality (MDEQ) will hold a community meeting on Thursday, March 5.
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Clean School Bus Program
The Bipartisan Infrastructure Deal provides $5 billion in funding for a Clean School Bus Program. Provides information on technologies, resources, benefits, educational events and funding opportunities.
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Manufacturer-Requested Risk Evaluation of Diisodecyl Phthalate (DIDP)
Documents regarding the manufacturer-requested risk evaluation for DIDP