The job of the police is to prevent crime. Not to punish it. With this system, the offender will still keep the engine on even after someone has filmed them. W

The job of the police is to prevent crime. Not to punish it. With this system, the offender will still keep the engine on even after someone has filmed them. Whereas a police officer asking them to turn it off would stop the offense on the spot. Only way this will actually help with emissions is if it becomes wide spread and well known enough, to act as an efficient deterrent.