Gaseous Fuels for Internal Combustion (IC) Engines - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026-2031)

The gaseous fuels market for Internal Combustion Engines Industry size in terms of production volume is expected to grow from 123.08 million tons in 2025 to 138.64 million tons in 2026 and is forecast to reach 254.11 million tons by 2031 at 12.88% CAGR over 2026-2031. This report is Segmented by Fuel Type (CNG, LNG, LPG/Autogas, Biogas/Biomethane, Hydrogen, Other Types), Application (Light-Duty Vehicles, Medium- and Heavy-Duty Vehicles, Marine Transport, Rail and Off-Road, Others), and Geography (North America, Europe, Asia-Pacific, South America, Middle East and Africa). The Market Forecasts are Provided in Terms of Volume (Million Tons).

Insights and Trends of Gaseous Fuels Market For Internal Combustion (IC) Engines

Lower Total Cost of Ownership Versus Diesel Drives Fleet Conversion Decisions

The operating cost advantage of CNG is an immediate reason for fleet conversion in the Gaseous Fuels Market for IC Engines. Cummins stated in May 2026 that CNG averaged USD 2.99 per diesel gallon equivalent, compared with USD 4.25 for diesel, which produced USD 12,600 in annual fuel savings for 10,000 gallons consumed. The comparison matters most for vehicles with predictable daily routes and high annual mileage, which are also the operating patterns that support the Gaseous Fuels Market for IC Engines. CNG engines also avoid diesel exhaust fluid systems and diesel particulate filters, which reduces exposure to some diesel aftertreatment maintenance needs. A lower and more transparent operating cost can make fuel, maintenance, and station agreements easier for fleet managers to justify. This advantage is strongest when fleets have enough utilization to support dedicated refueling assets or dependable public stations.

Stricter Emission Standards for Heavy-Duty and Urban Fleets Create Compliance-Driven Demand

Emission requirements are raising the value of engine options that can meet fleet operating needs with lower system complexity. The International Maritime Organization approved the IMO Net-Zero Framework in April 2025, establishing measures under MARPOL Annex VI that address greenhouse gas performance in shipping. Similar regulatory direction in road transport supports demand for fuel and engine combinations that can be deployed on fixed urban and freight routes. Compliance requirements are especially relevant for buses, refuse trucks, and distribution vehicles that operate where air-quality rules are closely monitored. Gaseous engines can offer a practical response when operators need to renew fleets but cannot accept battery range, payload, or charging constraints. These requirements create a steadier procurement base for the Gaseous Fuels Market for IC Engines market, even when fuel price differences change.

Uneven Refueling Coverage and High Station Capital Costs Limit Broader Adoption

Station investment remains difficult for smaller operators with irregular routes or low vehicle volumes. A new network must provide enough coverage for fleet confidence, but providers often need proven vehicle demand before committing capital. This circular problem is more acute for LNG because storage and handling requirements are more demanding than for CNG. Infrastructure gaps can also limit the Gaseous Fuels Market for IC Engines in regions with gas resources but limited transport fuel networks. Larger fleets have an advantage because they can justify private stations and spread operating costs across more vehicles. Public corridor expansion and agreements with logistics operators are therefore important for extending adoption beyond early fleet users.

Other drivers and restraints analyzed in the detailed report include:

• Expansion of Refueling Infrastructure Unlocks Fleet Conversion in Constrained Markets
• Factory-Fitted Gaseous-Fuel and Hydrogen-Ready Platforms Broaden Practical Applications
• Natural Gas Price Volatility and Lifecycle Emissions Risk Reduce Fleet Certainty

Segment Analysis

CNG held 51.3% of the Gaseous Fuels Market for IC Engines market share in 2025, supported by long-standing use in urban buses, municipal refuse fleets, and local logistics operations. Its installed vehicle base and mature refueling model give operators a clear starting point for fuel and maintenance planning. CNG is particularly suitable where vehicles return to a depot and use fixed daily routes. LNG serves a different operating need because it can support long-distance trucking and marine activity where compressed gas storage may limit range. LPG or autogas continues to serve passenger cars and light commercial vehicles where conversion capability, taxation, and retail access are established. Dacia expanded its LPG and gasoline bi-fuel lineup in 2026, which shows that OEMs continue to support this fuel option in relevant European vehicle categories.

Hydrogen is projected to grow at a 17.1% CAGR through 2031, the fastest rate among fuel types in the Gaseous Fuels Market for IC Engines market size. The 2025 technical assessment found that hydrogen internal combustion systems can cost less than comparable fuel-cell systems while using familiar engine manufacturing approaches. This supports deployment in operations where utilization, range, and rapid refueling matter more than broad passenger vehicle use. Biomethane offers a separate path because it can use much of the existing gas engine and distribution system. The European Parliament described transport provisions in the Renewable Energy Directive framework as a meaningful policy basis for biomethane deployment. Syngas and synthetic methane remain less developed and have limited commercial use during the forecast period.

Complete Report Scope:

• By Fuel Type
  • Compressed Natural Gas (CNG)
  • Liquefied Natural Gas (LNG)
  • Liquefied Petroleum Gas (LPG / Autogas)
  • Biogas / Biomethane
  • Hydrogen
  • Other Fuel Types (Syngas, Synthetic Methane, etc.)
• By Application
  • Light-Duty Vehicles (Passenger Cars and Light Commercial Vehicles)
  • Medium- and Heavy-Duty Commercial Vehicles (Trucks and Buses)
  • Marine and Waterborne Transport
  • Rail and Off-Road Equipment
  • Other Applications (Stationary Power Generation, etc.)
• By Geography
  • North America
    • United States
    • Canada
    • Mexico
  • Europe
    • Germany
    • United Kingdom
    • France
    • Russia
    • Spain
    • Rest of Europe
  • Asia-Pacific
    • China
    • India
    • Japan
    • South Korea
    • ASEAN
    • Rest of Asia-Pacific
  • South America
    • Brazil
    • Argentina
    • Rest of South America
  • Middle East and Africa
    • Saudi Arabia
    • United Arab Emirates
    • South Africa
    • Rest of Middle East and Africa

Geography Analysis

Asia-Pacific held 53.3% regional revenue share in 2025 and is forecast to grow at a 14.8% CAGR through 2031. The region combines large vehicle fleets, established CNG activity, city gas development, and increasing LNG demand for long-haul transport. China remains an important source of commercial vehicle volume, while India is expanding from urban CNG use toward LNG logistics infrastructure. Indraprastha Gas Limited opened the National Capital Region’s first LNG station in Dadri in 2026, extending the region’s options for long-distance truck operations. Southeast Asia offers additional potential where urban air-quality goals, gas availability, and new CNG programs can converge. Development will still depend on whether station coverage reaches the level needed by fleet operators.

North America and Europe are important technology and regulatory centers for the Gaseous Fuels Market for IC Engines market. In the United States, Clean Energy Fuels is expanding renewable natural gas capacity and stations along freight corridors. Europe has a stronger policy focus on biomethane integration and lifecycle emissions performance. The European Investment Bank’s financing for Snam supports new links between biomethane plants and Italy’s gas network. This investment can improve access to renewable gas supply for transport users across the Gaseous Fuels Market for IC Engines market. These regions also provide a testing ground for hydrogen combustion equipment, certified marine systems, and fleet service models.

South America, the Middle East and Africa provide positive growth opportunities but have more uneven infrastructure conditions. Gas availability, local fuel price relationships, and public investment can support adoption in selected locations. Argentina is relevant for vehicle conversion activity, while local production of natural gas engines can strengthen regional supply capability. FPT Industrial began producing natural gas engines in Argentina in August 2025 for commercial, agricultural, and urban transport applications. Nigeria’s planned CNG network and Saudi gas-to-mobility efforts indicate interest in broader regional deployment in the Gaseous Fuels Market for IC Engines market. Execution will depend on station financing, reliable fuel distribution, and fleet operators that can anchor initial demand.

List of Companies Covered in this Report:

• Adani Total Gas Limited
• bp p.l.c.
• Chevron Corporation
• China National Petroleum Corporation
• Clean Energy Fuels Corp.
• ENGIE SA
• Eni S.p.A.
• Equinor ASA
• Exxon Mobil Corporation
• FortisBC Energy Inc.
• Gasum Oy
• Indian Oil Corporation Limited
• L'Air Liquide S.A.
• Linde plc
• Repsol, S.A.
• Shell plc
• Snam S.p.A.
• TotalEnergies SE

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support