The "Magicians" at the EPA

So I get this text message every weekday morning on my cell phone giving me interesting tidbits of "environmental news" This was today's entry:

V.ENVIRO Locomotives, cargo ships, tugboats and passenger ferries will become much cleaner under new air pollution requirements announced by the EPA. (AP)

So the EPA says "you will become cleaner" and it just happens? I'm all for the increased efficiency of large vehicles and municial transportation but what I'm curious about is how this gets paid for... But you can't get all that from 160 characters of text.

--Sent from my cell phone--