Arkansas 2025 Regular Session

Arkansas Senate Bill SB478

Introduced
3/17/25  
Refer
3/17/25  
Report Pass
4/7/25  
Engrossed
4/8/25  
Refer
4/8/25  
Report Pass
4/9/25  
Enrolled
4/15/25  
Chaptered
4/18/25  

Caption

To Create The Arkansas Diesel Engine Freedom Act Of 2025; And To Prohibit State Enforcement Of Federal Regulation Of Certain Types Of Diesel Engines.

Impact

If enacted, SB478 would significantly impact how emissions standards are applied to diesel engines within Arkansas. The bill provides that any federal regulations regarding diesel engines that contradict the state's regulations—specifically the mandate for diesel exhaust fluid—are considered null and void. This legislative move aims to empower local manufacturers and users of diesel engines, ensuring they operate without federal restrictions that are deemed overreaching and burdensome. Consequently, this could lead to an increase in diesel engine production within the state, potentially benefiting regional economic growth.

Summary

Senate Bill 478, known as the Arkansas Diesel Engine Freedom Act of 2025, aims to establish the state's authority over the regulation of diesel engines operating solely within its borders. The bill declares that federal mandates, particularly those requiring the use of diesel exhaust fluid in these engines, are unconstitutional under the provisions of the U.S. Constitution. It asserts the rights reserved to the states under the Tenth Amendment, allowing Arkansas to regulate emissions standards without federal interference in cases where the engines are not engaged in interstate commerce.

Sentiment

The sentiment surrounding SB478 seems to be predominantly supportive among those favoring state autonomy and reduced federal regulation. Advocates argue that the bill represents a necessary assertion of state rights, providing local manufacturers the freedom to operate their businesses without the constraints of federal mandates. However, there are concerns voiced by opponents regarding potential environmental implications, emphasizing that the relaxation of regulations could lead to increased pollution and undermine environmental protections. This division underscores a broader debate about the balance between state rights and federal authority.

Contention

The key point of contention in discussions around SB478 centers on the interpretation of state versus federal powers. Proponents argue that allowing states to dictate emissions standards leads to more localized and relevant regulations, which can be tailored to specific state conditions. However, opponents caution that divergent standards could result in a patchwork of regulations across states, complicating compliance for businesses that operate regionally or nationally. The debate encapsulates fundamental principles of governance and regulatory authority, reflecting the ongoing tension between federal oversight and state sovereignty.

Companion Bills

No companion bills found.

Previously Filed As

AR HR1062

To Recognize Cei Engineering Associates For Fifty (50) Years Of Service To The State Of Arkansas.

AR HB1799

To Create The Arkansas Data Centers Act Of 2023; And To Clarify The Regulation Of The Digital Asset Mining Business.

AR SB294

To Create The Learns Act; To Amend Various Provisions Of The Arkansas Code As They Relate To Early Childhood Through Grade Twelve Education In The State Of Arkansas; And To Declare An Emergency.

AR SB433

To Abolish The Arkansas Geological Survey; To Create The Office Of The State Geologist And Transfer The Authority And Duties Of The Arkansas Geological Survey To The Office; And To Declare An Emergency.

AR SB101

To Amend Various Provisions Of The Arkansas Code As They Pertain To The University Of Arkansas.

AR SB495

To Create The Protect Arkansas Act; To Amend Arkansas Law Concerning Sentencing And Parole; To Amend Arkansas Law Concerning Certain Criminal Offenses; And To Create The Legislative Recidivism Reduction Task Force.

AR HB1049

To Establish The Fair Access To Financial Services Act; And To Protect The Financial Freedom Of Arkansas Citizens And Businesses.

AR HB1615

To Create The Conscience Protection Act; And To Amend The Religious Freedom Restoration Act.

AR HB1605

To Provide Regulation Of Hemp-derived Products By The Arkansas Tobacco Control Board.

AR HB1359

To Abolish Certain Boards; To Create The Arkansas State Board Of Mental Health Professionals; And To Declare An Emergency.

Similar Bills

No similar bills found.