The citizens of Cache County are being blackmailed by the Feds by being told that funding for their highways will be withheld if emission testing is not enforced.
Definition of blackmail from Dictionary.com
1. any payment extorted by intimidation, as by threats of injurious revelations or accusations.
A few years ago the counties of Wyoming along the I-80 corridor were told the same thing would happen if a toll road was not implemented. We refused their offer and our roads are just fine.