The global Miller Cycle Engine market is witnessing substantial growth driven by the automotive industry's increasing focus on fuel efficiency and emission reduction. The Miller cycle engine, known for its ability to enhance thermal efficiency and lower fuel consumption, is becoming a preferred choice among vehicle manufacturers aiming to meet stringent environmental regulations. The market is projected to grow from USD 1.5 billion in 2025 to USD 2.6 billion by 2032, reflecting a robust Compound Annual Growth Rate (CAGR) of 7.5% during the forecast period. Rising adoption in hybrid electric vehicles (HEVs) and commercial vehicles is contributing significantly to this expansion.