Future Market Insights suggests that within the traction battery landscape, the parallel acceleration of solid-state battery R&D and lithium titanate (LTO) chemistries for heavy-duty applications is creating a multi-chemistry market structure where no single cell format dominates across all traction use cases. FMI analysts identify the achievement of energy densities above 1,000 Wh/L in solid-state prototypes as the central pivot point, effectively validating that a post-lithium-ion transition is technically feasible within the forecast period.