New 3M™ Cooling Film helps fleet and rail operators keep cabin interiors cooler and improve efficiency

Applied to vehicle roofs, the highly reflective performance film uses thermal management technology to reduce heat buildup and help keep interiors noticeably cooler.ST. PAUL, Minn., Sept. 2, 2026 // -- 3M (NYSE:MMM) is launching 3M™ Cooling Film, a roof-applied heat-management solution de…