Quote:
Originally Posted by syntaxterror
Thought police/fire/government vehicles are exempt for emission laws.
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In June 2012, the EPA announced the granting of relief for fire trucks and ambulances. This relief came through two methods of rule making:
a direct final rule (DFR) and a notice of proposed rulemaking (NPRM).
The announcement of this relief has generated misconceptions and questions for many individuals involved in the emergency vehicle community.
The biggest misconception with both the DFR and NPRM is that emergency vehicles are now exempt from having to meet current emissions standards. This may be a result of a regulatory announcement that carried a misleading title.
Contrary to the general perception, 2007 and 2010 emissions components such as diesel particulate filters (DPFs) and selective catalytic reduction (SCR) components cannot (legally) be removed. Although the EPA is committed to allowing
engine manufacturers some flexibility, emergency vehicles are still required to meet the emissions standards in place at the time the engine was produced.
www.epa.gov/regulations-emissions/Proposed-Rule-Revisions-Emergency Vehicles