Policy Momentum The Stirling engine market is projected to rise from USD 1060.8 million in 2025 to USD 2400.9 million by 2034, a CAGR of 9.50% from 2026 to 2034, with North America the largest market in 2025. Increasing government incentives and regulations are creating favorable conditions for the adoption of clean and efficient technologies. Governments worldwide are implementing policies...