Amid a nationwide surge in worker momentum and public support for unions, the United Auto Workers is making a renewed push to build on-the-ground interest in organizing non-unionized auto plants. More than 60 workers at 10 automakers that don’t have contracts with the UAW met late last month in Birmingham, Alabama, to discuss how to organize plants across the country, UAW Vice President Cindy Estrada told The Detroit News. “They decided this is a moment right now in the country for them, too, as non-union workers, for them to be able to form their unions and make sure that there’s a sectoral s…