Laws & Regulations
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Agricultural Worker Protection Standard (WPS)
EPA's Agricultural Worker Protection Standard (WPS) is aimed at reducing the risk of pesticide poisoning and injury among agricultural workers and pesticide handlers. It places specific requirements on employers of such workers.
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Voluntary Incentive Measures in the California SIP
On June 30, 2021, EPA determined that information submitted by CARB is insufficient to demonstrate that Carl Moyer on-road heavy-duty diesel truck replacement and repower projects implemented pursuant to the South Coast Incentive Measure achieves goals.
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Fuel Economy and Environment Label Examples
See fuel economy and environment label examples for gasoline, electric and plug-in hybrid electric vehicles.
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Requirements for Verification of Clean Diesel Technology
Before applying for verification of your Clean Diesel Technology, there are some important considerations and requirements to review.
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Supplemental Information for Verification of Clean Diesel Technology
The application process is the second part in the four-step process for verification for Clean Diesel Technology.
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Testing for Verification of Clean Diesel Technology
The testing process is the third part in the four-step process for verification of Clean Diesel Technology.
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Evaluation for Verification of Clean Diesel Technology
The finalization process is the fourth part in the four-step process for verification of Clean Diesel Technology.
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List of Formerly Verified Technologies for Clean Diesel
The list below provides information about diesel retrofit technologies that EPA formerly approved or conditionally approved, but that are no longer on that list.
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Overview of the SmartWay Verification Process for Aerodynamic Devices
The SmartWay Verification Program evaluates the ability of trailer devices to reduce drag and improve fuel economy for Class 8 tractor-trailers.
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Requirements for SmartWay Verification of Aerodynamic Devices
Before applying for SmartWay verification of your aerodynamic device, there are some important considerations and requirements to review.
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Device Information for SmartWay Verification of Aerodynamic Devices
The application process is the second part in the four-step process for SmartWay verification of aerodynamic devices.
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Testing for SmartWay Verification of Aerodynamic Devices
The testing process is the third part in the four-step process for SmartWay verification of aerodynamic devices.
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Evaluation for SmartWay Verification of Aerodynamic Devices
The evaluation process is the fourth and final part of the SmartWay verification process for aerodynamic devices.
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Overview of the SmartWay Verification Process for Idling Reduction Technologies (IRTs) for Trucks
EPA's SmartWay Verification Program evaluates the ability of IRTs to decrease main engine idling in Class 8 long haul tractor trailers in order to save fuel and reduce emissions.
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Testing for SmartWay Verification of Idling Reduction Technologies (IRTs) for Trucks
The testing process is the third part in the four-step process for SmartWay verification of Idle Reduction Technologies (IRTs) for Trucks.
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Overview of the Verification Process for Clean Diesel Technology
The verification process for Clean Diesel technology evaluates the performance and durability of specific emission control devices submitted by manufacturers.
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Confirmatory Testing for Engines and Vehicles
The steps for confirmatory testing for small spark-ignition (SI) and compression-ignition (CI) engines at EPA's National Vehicle and Fuel Emissions Laboratory (NVFEL).
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Compliance Reporting for Portable Fuel Containers
Steps for compliance reporting with EPA for portable fuel containers.
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Transition Program for Equipment Manufacturers (TPEM)
In order to provide flexibility for small equipment manufacturers that must comply with new regulations, EPA created the Transition Program for Equipment Manufacturers, better known as “TPEM” or “flexibility program.”
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Regulations for Emissions from Commercial Trucks and Buses (Heavy-duty)
This page provides links to regulations for controlling greenhouse gas (GHG) emissions, smog, soot and other air pollution from commercial trucks and buses.