Science & Technology
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General Information, Contacts & Training for Transportation & Conformity
Resources are for air quality and transportation government and community leaders. Information on the transportation conformity program and how it's implemented is provided here.
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EPA Emission Standards Regulations
This web page provides links with information related to the information found in the Federal Emission Standards Reference Guide.
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Caterpillar Technology—Converter GP- Catalytic Technology (CGP) System
This Caterpillar technology is Converter GP- Catalytic Technology (CGP) System for certain wheeled hydraulic excavators in reducing emissions of certain criteria pollutants on EPA's Verified Technologies List.
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Low Rolling Resistance (LRR) New and Retread Tires
This page provides links to information for manufacturers and partners for low rolling resistance tires.
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Tire Size Guidance for SmartWay Verification
Description: Tire size guidance for SmartWay verification and guidance for understanding the SmartWay verified tire list.
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Home EV Charger Calculator
A simple calculator meant to help users understand how much power they need to charge their EV at home.
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Digital Strategy
The Digital Government Strategy aimed at delivering better digital services to the American people. This page will be updated over the next year to track progress in implementing the strategy.
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Plug-in Electric Vehicle Charging: The Basics
Overview of key aspects of charging plug-in electric vehicles. Topics include charging equipment, charging times, how to charge, how to pay to charge, and where to find charging stations.
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Plug-in Electric Vehicle Charging: The Details
This page provides the Frequent Questions about Plug-in Electric Vehicle Charging.
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2017-2019 Air Emissions Modeling Platforms
The 2017-2019 Version 7 emissions modeling platforms are based on 2017 NEIv2.
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2021 Air Emissions Data
Links to all things 2020 NEI, on how to get data
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Economic Benefits of Green Infrastructure
Green infrastructure can can improve community resiliency and provide economic stability by adding green local jobs, reducing infrastructure costs, and decreasing property damage from flooding.
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Environmental Benefits of Green Infrastructure
Green infrastructure captures, absorbs, and reduces runoff; filters stormwater; and delivers other environmental, social, and economic benefits.
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Risk Evaluation for Perchloroethylene (PCE)
documents for Tetrachloroethylene (also known as perchloroethylene)
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CADDIS Volume 5: Causal Databases
Explore tools for finding, storing, and displaying evidence from the scientific literature to evaluate causal pathways included in your assessment.
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Indoor/Outdoor Decon Query Tools - Acronyms and Abbreviations
Self-Help Decon Query Tool - Acronyms and Abbreviation
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Indoor/Outdoor Decon Query Tools – Definitions
Decon Query Tool – Indoor and Outdoor Definitions
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SAM Acronyms and Abbreviations
Definitions are provided for acronyms and abbreviations that are used throughout EPA's Selected Analytical Methods for Environmental Remediation and Recovery (SAM).
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EPA to Support NDEE with Air Sampling at AltEn LLC Facility in Mead, Nebraska, from May 31 to June 2, 2022
EPA, with assistance from NDEE personnel, will conduct air sampling from May 31 to June 2, 2022, in an attempt to identify compounds that could be causing the foul odors at and near the AltEn LLC ethanol facility in Mead, Nebraska, weather permitting.
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AltEn Facility, Mead, Nebraska - Fact Sheet, September 2021
Geospatial Measurement of Air Pollution – Field Screening