Penalties range from small fines to revocation of a license.
Last year, 480 demonstrators got small fines or no jail time beyond what they had served when first arrested.
In the past, small fines were given to environmental criminals.
Under the law, small fines can be imposed against companies that refuse to rent to young drivers, but the state has not brought such cases.
But the owner said a small fine was possible - perhaps $20,000 - but even that might not happen.
No violations of the law were found by the authorities in the first case, and a small fine was levied in the second.
The environmental agency can levy only absurdly small fines and collects less than 10 percent of them.
Potential penalties could range from small fines to prison terms.
It has paid small fines, generally in the hundreds of dollars, for several.
They have agreed to serve three months of home confinement and pay smaller fines.