One reason cited for the trial of the the Devil's spawn that destroys peoples’ enjoyment of ham radio (and every other form of radio in fact) PLC in Liverpool is smart meters. So it may come as a surprise to the idiot supporters of this scheme to hear that one Californian County has criminalised smart meters.
The Marin County Board of Supervisors unanimously passed an ordinance (pdf) that deems the installation of smart meters a public nuisance in some areas. In addition to electromagnetic health risks, the board cited concerns about meters being used to collect information about residents' activities, impacts on aesthetics and potential damage to amateur radio networks.
You can read more in the New York Times.