The state is getting more aggressive in its defense of the planned $5 billion Rivian electric vehicle factory an hour east of Atlanta, which faces lawsuits from a group of residents opposed to the gigantic project. In motions filed last week in Morgan County Superior Court, the state and a local development authority argued that a judge should order the opposition group to pre-pay litigation costs as a bond in order to continue their legal battle over the factory site's zoning and permits.