MOVES
A state-of-the-science emission modeling system that estimates emissions for mobile sources at the national, county, and project level for criteria air pollutants, greenhouse gases, and air toxics, available under EPA's Open Source Software policy.
Emissions - Emission Observation and Modeling - Last synced: 14 Jul 2025 - Ranking: 6.4

Clean Air Markets API Portal
A suite of API's that EPA's Clean Air Markets Division provides to access the data collected to run programs designed to reduce air pollution from power plants.
Emissions - Emission Observation and Modeling - Last synced: 14 Jul 2025 - Ranking: 6.3

EPA_ALPHA_Model
Evaluate the Greenhouse Gas emissions of Light-Duty vehicles.
Emissions - Emission Observation and Modeling - Last synced: 14 Jul 2025 - Ranking: 4.2
