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The United States Environmental Protection Agency (EPA) has regulations laid out for emissions from nonroad (off-highway) vehicles and engines, divided into the categories of aircraft, locomotive, marine, recreational vehicles, small equipment and tools and finally, the focus of this article and our upcoming event DZOM EXPO in Chicago – heavy machinery.

EPA regulates the emissions from mobile sources by setting standards for the specific pollutants being emitted. EPA established progressively more stringent emission standards for carbon monoxide, hydrocarbons, nitrogen oxides, and particulate matter, starting in the mid-1970s for on-road vehicles and in the early 1990s for nonroad engines and equipment. Emissions standards set limits on the amount of pollution a vehicle or engine can emit.

The road to clean air also depends on extensive collaboration between EPA and vehicle, engine, and fuel manufacturers; state and local governments; transportation planners; and individual citizens. This integrated approach to mobile source emission control has been responsible for greatly reducing mobile source air pollution during the last 30 years. Technological advances in vehicle and engine design, together with cleaner, higher-quality fuels, have reduced emissions so much that EPA expects the progress to continue, even as people drive more miles and use more power equipment every year.

The exhaust emissions standards are divided into guidelines for compression-ignition diesel engines and large spark ignition engines.

Nonroad Compression-Ignition Engines: Exhaust Emission Standards

Nonroad Large Spark-Ignition Engines: Exhaust and Evaporative Emission Standards

European emission standards define the acceptable limits for exhaust emissions of new vehicles sold in European Union (EU) member states. The emission standards are defined in a series of EU directives staging the progressive introduction of increasingly stringent standards.

Under the CAA the California Air Resources Board (CARB) may also adopt and enforce its own emissions standards. However, regardless of whether a manufacturer receives CARB approval, all new motor vehicles and engines must still receive certification from EPA before the vehicle is introduced into commerce. Dr. Bill Robertson from CARB will be a guest speaker at the upcoming Innovatrix DZOM EXPO taking place at the Donald E. Stephens Convention Centre in Chicago, IL, on December 3–4, 2024. He will be sharing CARB updates on regulatory actions and incentive projects as well as his insights on infrastructure and efficiency expanding addressable job sites and tasks.

To learn about the latest in emissions regulations for the USA, Europe and other locations, hear from industry leaders like Dr Robertson and network with peers, attend the DZOM EXPO taking place at the Donald E. Stephens Convention Centre in Chicago, IL, on December 3–4, 2024. 

For more information, visit our website or email us at info@innovatrix.eu for the event agenda

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