WOLVERHAMPTON, England (April 15)—Workers at Goodyear's Wolverhampton tire plant have voted down a trade union plan to improve productivity in a bid to safeguard the operation's future. The Transport & General union proposals were rejected by a 511-594 vote. The T&G proposals were based on a report into the competitiveness of the tire facility by an independent consultancy. The union commissioned the study after Goodyear warnings that the factory faced closure unless productivity reached levels at its plants elsewhere in Europe. "Making the Wolverhampton plant competitive is key to its future viability and success," Production Director Hugh Thompson said in a statement issued after the ballot results were announced. Management's commitment "to secure the future of the plant remains the same," he said. "The vote makes the process more challenging, but I still look forward to the assistance, support and efforts of those associates who are willing to work for change, and a chance for the future of this plant."