Pennsylvania Code & Bulletin
COMMONWEALTH OF PENNSYLVANIA

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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 54 Pa.B. 5598 (August 31, 2024).

25 Pa. Code § 126.504. Exemptions.

§ 126.504. Exemptions.

 The following new heavy duty diesel engines and vehicles are exempt from the Pennsylvania Heavy-Duty Diesel Emissions Control Program requirements of this subchapter:

   (1)  Emergency vehicles.

   (2)  A heavy-duty diesel vehicle transferred by a dealer to another dealer.

   (3)  A heavy-duty diesel vehicle transferred for use exclusively off-highway.

   (4)  A heavy-duty diesel vehicle granted a National security or testing exemption under section 203(b)(1) of the Clean Air Act (42 U.S.C.A. §  7522(b)(1)).

   (5)  A heavy-duty diesel vehicle defined as a military tactical vehicle or engine under Title 13 CCR, Division 3, Chapter 1, Article 1, §  1905, adopted and incorporated by reference.

   (6)  A heavy-duty diesel vehicle sold after May 11, 2004, if the vehicle was registered in this Commonwealth before May 11, 2004.

   (7)  A heavy-duty diesel engine or vehicle for the model years 2005 and 2006 manufactured by an ultra-small volume manufacturer as defined under Title 13 CCR, Division 3, Chapter 1, Article 2, §  1976(f)(2), adopted and incorporated by reference.

   (8)  For model years 2005 and 2006, an urban bus as defined under Title 13 CCR, Division 3, Chapter 1, Article 2, §  1956.2(b)(4), adopted and incorporated by reference.

   (9)  A heavy-duty diesel engine or vehicle that, following a technology review, CARB determines is inappropriate to require compliance with the emission standards and other requirements under Title 13 CCR, Division 3, Chapter 1, Article 2, §  1956.8 for a particular model year.



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