Of course they could, but they won't because it breaks federal law. Tactical/emergency/etc vehicles can be exempted from federal and state emissions for obviou

Of course they could, but they won't because it breaks federal law. Tactical/emergency/etc vehicles can be exempted from federal and state emissions for obvious reasons, but most federal vehicles are not exempt. > Contrary to past practices, vehicles owned and operated by the Federal government are not automatically exempt from having to under emissions testing and obtains proof of that testing. Some states, in their state regulations exempt classes of Federal motor vehicles, usually those for tactical use. https://www.fedcenter.gov/assistance/facilitytour/vehicle/emissions/index.cfm?&printable=1 https://www.fedcenter.gov/assistance/facilitytour/vehicle/em...