Science & Technology

UIC Permit: PAS2R900BMCK

MarcellX underground injection control permit

AES Puerto Rico, L.P. Guayama, PR

A new resource recovery facility capable of generating 77 MW

Tractor Trailer Geometries for Computational Fluid Dynamics

Tractor Trailer Geometries for Computational Fluid Dynamics (CFD)

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.

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.

Heavy-Duty Highway Powertrain Family Naming Conventions

This page provides the engine family naming convention for heavy-duty powertrain families.

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.

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.

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).

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.

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…

Last published: March 24, 2025

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…

Last published: March 24, 2025

Working Paper: What's in a Name? A Systematic Search for Alternatives to "VSL"

This is a working paper titled "What's in a Name? A Systematic Search for Alternatives to "VSL""

Cardiovascular Mortality and Leaded Aviation Fuel: Evidence from Piston-Engine Air Traffic in North Carolina

This is a working paper titled "Cardiovascular Mortality and Leaded Aviation Fuel: Evidence from Piston-Engine Air Traffic in North Carolina "

Total Risk Integrated Methodology (TRIM) - Overview

General Information about the Total Risk Integrated Metholology (TRIM)

Multimedia Fate and Transport Modeling - Overview

The fate of the emitted pollutants is largely determined by the source release characteristics.

Presidential Green Chemistry Challenge: 2016 Designing Greener Chemicals and Specific Environmental Benefit: Climate Change Awards

Presidential Green Chemistry Challenge 2016 award winner, Newlight Technologies, developed a net carbon negative plastic made from methane-based GHG. It is cheaper than petroleum-based plastic; used to make cell phone cases, furniture, and other products.