The global Isobutene Market was valued at about USD 31 billion in 2025 and is projected to reach USD 48 billion by 2034, growing at a ~4.5 % CAGR, driven by demand for fuel additives and synthetic rubber in automotive and aerospace sectors. Strong growth in North America and Asia‑Pacific—alongside innovations in bio-based isobutene—are shaping future market dynamics. https://www.datamintelligence.com/research-report/isobutene-market