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EPA/OAR RIN: 2060-AU30 Publication ID: Fall 2019 
Title: Amendments Related to Marine Diesel Engine Emission Standards 

EPA proposed a rule (84 FR 46909) to amend 40 CFR part 1042 to address concerns associated with finding and installing certified Tier 4 marine diesel engines in certain high-speed commercial vessels. The proposed relief is in the form of additional lead time for qualifying engines and vessels. EPA is also proposing adjustments to the requirements for certifying marine diesel engines, especially as it relates to demonstrating the durability of emission controls, to promote certification of engines with high power density.

EPA also proposed a technical correction to the diesel fuel regulations to allow U.S. fuel manufacturers and distributors to sell distillate diesel fuel that complies with the global sulfur standard that applies internationally instead of the fuel standards that otherwise apply to distillate diesel fuel in the United States.

Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
EO 13771 Designation: Deregulatory 
CFR Citation: 40 CFR 1042   
Legal Authority: 42 U.S.C. 7401 et seq., Clean Air Act   
Legal Deadline:  None
Action Date FR Cite
NPRM  09/06/2019  84 FR 46909   
NPRM Comment Period End  10/21/2019 
Final Rule  02/00/2020 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Alan Stout
Environmental Protection Agency
Office of Air and Radiation
EPA/NVFEL, 2565 Plymouth Road,
Ann Arbor, MI 48105
Phone:734 214-4805
Fax:734 214-4834