Science & Technology
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About the Automotive Trends Data
About the data for the light-duty vehicle carbon dioxide and fuel economy trends report.
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Introduction to the Automotive Trends Report
Introductory information for light-duty vehicle greenhouse gas (GHG) emissions, fuel economy, technology data, and auto manufacturers' performance in meeting EPA's GHG emissions standards.
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Highlights of the Automotive Trends Report
Highlights of the light-duty vehicle carbon dioxide and fuel economy trends report.
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Working Paper: Evaluating the Effectiveness of Voluntary Programs: Did Ohio's Tox-Minus Initiative Affect Participants' TRI Emissions?
This is a working paper titled "Evaluating the Effectiveness of Voluntary Programs: Did Ohio's Tox-Minus Initiative Affect Participants' TRI Emissions?"
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Contaminant Candidate List 5 - CCL 5
Learn about EPA's Contaminant Candidate List 5 (CCL 5)
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Contaminant Candidate List 4 - CCL 4
Learn about EPA's Contaminant Candidate List 4 (CCL 4)
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Drinking Water Contaminant Candidate List (CCL) and Regulatory Determination
Learn about EPA's drinking water Contaminant Candidate List and Regulatory Determinations.
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NAAQS Table
NAAQS Table
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Timeline of Major Accomplishments in Transportation, Air Pollution, and Climate Change
See the major accomplishments in transportation, air pollution, and climate change.
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In-Use Testing Template for Large Nonroad Spark-Ignition (SI) Engine
Use this template to report for large nonroad spark-ignition engines.
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Large Nonroad Spark-Ignition Engines (>19 kiloWatts): Family Naming Conventions
How to create Positions 5-12 of your Engine Family name for Large Nonroad Spark-Ignition Engines (>19 kiloWatts).
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Complete Heavy-Duty Highway Vehicles (8,500 to 14,000 Pounds GVWR; Tested on Chassis Dynamometer): Family Naming Conventions
How to create Positions 5-12 of your Engine Family name for Complete Heavy-Duty Highway Vehicles (8,500 to 14,000 pounds GVWR; tested on chassis dynamometer).
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Presentation on Onroad Electric Motorcycle and Portable Fuel Container for Engines and Vehicles Compliance Information System (EV-CIS), formerly Verify, Module Deployment
This presentation provides information about electric motorcycles and portable fuel container EV-CIS module deployment.
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Heavy-Duty Evaporative Families: Family Naming Conventions
How to create Positions 5-12 of your Engine Family name for Heavy-Duty Evaporative Families.
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California-Only Medium-Duty Vehicles: Family Naming Conventions
How to create Positions 5-12 of your engine family name for California-Only Medium-Duty Vehicles.
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Frequent Questions on EPA Greenhouse Gas (GHG) Provisions for Vehicle and Engine Conversions to be Used on Clean Alternative Fuel
View frequent questions on EPA GHG provisions for conversions of vehicles and engines for clean alternative fuel.
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Webinar on Vehicle and Engine Conversions for Clean Alternative Fuel
EPA presented a webinar on the Clean Alternative Fuel Vehicle and Engine Conversions Final Rule on April 27, 2011.
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New Production Volume Reporting Module and Heavy-Duty Engine GHG Phase II Compliance Updates – Presentation
Presentation highlights the new Production Volume (PV) Reporting Module and updates to the Heavy Duty Engines ABT reporting module supporting HD GHG Phase II; reviews certification changes impacting compliance, timeline, deployment, demo, and resources.
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Materials for CROMERR and Engines and Vehicles Compliance Information System's (EV-CIS), formerly Verify, Request for Certificate (RFC) Module for Light-Duty Vehicle and Truck Manufacturers
Presented in September 2015 to light-duty manufacturers.
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Who Must Report (List of Report Forms)
This page provides information for using the interactive table to identify reporting requirements under the Fuels program.