FMI indicates the automotive natural gas vehicle market crossed a valuation of USD 15.6 billion in 2025, increased to USD 16.8 billion in 2026, and is projected to reach USD 33.3 billion by 2036, reflecting a 7.1% CAGR during 2026 to 2036. By segment, Compressed Natural Gas (CNG) Vehicles lead the Fuel Type category with a 71% share in 2026, while Heavy Commercial Vehicles dominate the Vehicle Type segment with a 38% share in 2026.