Blue Methanol segmentation by application delineates the end‑use pathways that drive demand and shape the market’s revenue composition. The dominant application remains fuel blending, where blue methanol substitutes conventional gasoline or diesel in gasoline‑ethanol blends, accounting for roughly 45 % of total consumption. A second sizable segment is marine fuel, driven by IMO regulations; blue methanol’s low sulfur content and compatibility with existing dual‑fuel engines generate an estimated 30 % share. Chemical feedstock usage, primarily as a raw material for formaldehyde, acetic acid and dimethyl ether, contributes about 20 % of demand, reflecting the petrochemical sector’s gradual shift toward lower‑carbon inputs. Power generation, although still nascent, captures the remaining 5 % as pilot projects evaluate methanol‑fired turbines for grid stability. Collectively, these applications define the market taxonomy, with each sub‑segment’s growth linked to policy incentives, infrastructure rollout, and cost‑competitiveness of carbon capture technologies. Regulatory frameworks such as the EU Renewable Energy Directive and the US Clean Air Act further differentiate the cost curves across these applications, reinforcing the strategic importance of precise Blue Methanol segmentation for investors.