A Republican-backed group has submitted nearly 200,000 signatures to Oregon election officials, a move that appears likely to block a recently approved gas tax increase and force the issue onto the 2026 ballot. The group, No Tax Oregon, turned in the signatures Friday to the Secretary of State’s office, more than double the amount required to qualify a referendum. If validated, the action would stop a 6-cent gas tax hike passed during a special legislative session earlier this year, preventing...