Not later than 90 days after the date of enactment of this Act, the Administrator of the Environmental Protection Agency shall revise the regulations under section 1068.225 of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), to specify that an engine or equipment is exempt under that section without a request described in that section if the engine or equipment—
(1)
is for a marine vessel;
(2)
has a rated horsepower of 60 or less; and
(3)
will be owned by a Federal, State, or local emergency response or public safety agency responsible for domestic response or homeland security activities.