According to our latest study on "Back of Cab Market Size and Forecasts (2021 - 2031), Global and Regional Share, Trends, and Growth Opportunity Analysis - by Vehicle Type, Application, and Fuel Tank," the back of cab market size was valued at US$ 930.5 million in 2024 and is expected to reach US$ 1412.5 million by 2031; it is estimated to record a CAGR of 6.4% from 2025 to 2031.

The back of cab market is segmented into five major regions-North America, Europe, Asia Pacific (APAC), the Middle East & Africa (MEA), and South & Central America. North America dominated the market in 2024, followed by Asia Pacific and Europe respectively. . In North America, demand for back of cab is increasingly driven by the heavy?duty trucking sectors push for extended range, operational flexibility, and stricter emission standards. With long-haul distances common across the US and Canada, trucks often need large fuel reserves; placing fuel storage behind the cab (in double?tank setups, or auxiliary tanks) allows better weight distribution, longer uninterrupted travel, and compliance with range requirements in less densely populated stretches. Regulatory pressures from agencies such as the Environmental Protection Agency (EPA) and state?level mandates (e.g., Californias low NO?, low sulfur, or low carbon fuel rules) encourage the use of alternative fuels (LNG, CNG, biodiesel blends, etc.) and infrastructure capable of supporting them. This creates demand for a specialized fuel delivery system integrated into back of the vehicle. Also, the growth of compressed natural gas (CNG) and liquified natural gas (LNG) in fleet applications implies more need for tanks that must be mounted or placed in non?traditional vehicle locations, including behind cabs.

With the expansion of logistics and transportation industry, long?distance carriers want to reduce costs by minimizing downtime, which increases the installation of back of cab system to lower refueling frequency. Advancements in technology in materials (lighter tanks, better sealing, corrosion resistance) and fuel delivery technology (better pumps/sensors/filtration) increase system demand, driving the market growth. Additionally, in North America, the back of cab market is growing significantly owing to the demand for heavy commercial vehicles and fleet operators focus on fuel efficiency.

The demand for back of cab market in the US is rising owing to stringent emissions regulations, rising fuel costs, and the push for alternative fuels (CNG, RNG). Major manufacturers such as Cummins and Quantum Fuel Systems have launched back of cab (BOC) CNG/RNG systems (e.g., 135N and 175 DGE) that are lighter, more aerodynamic, and more serviceable. Moreover, long?haul trucking fleets, which cover many miles daily, benefit from the back of cab by extending range without overloading side tanks or sacrificing payload. Also, US federal and state incentive programs (for clean fuel vehicles) and tightening fuel?economy/greenhouse gas rules push fleet operators to install back of cab to accommodate natural gas or renewable gas. Additionally, safety, telematics integration (driver monitoring, diagnostics), and compatibility with existing heavy-duty OEMs also spur the adoption of back of cab.

Key Findings of the Back of Cab Market Study:

The back of cab market is segmented into vehicle type, application, and fuel tank. Based on vehicle type, the global back of cab market is segmented into light-duty commercial vehicles, medium-duty commercial vehicles, and heavy-duty commercial vehicles. The heavy-duty commercial vehicles segment held the largest share of the back of cab market in 2024. By application, the market is segmented into fuel tanks and general storage. The fuel tanks segment held the largest share of the back of cab market in 2024. By fuel tank, the market is segmented into CNG and hydrogen. The CNG segment held the largest share of the back of cab market in 2024. By geography, the back of cab market is segmented into North America, Asia Pacific, Europe, the Middle East & Africa, and South & Central America.

Quantum Fuel Systems, Hexagon Composites ASA, Worthington Enterprises, Cummins Inc, PACCAR Inc, T.L. Woods, ProTech, American Truckboxes, LLC, SMTR Group, and INOX India Limited are among the key players profiled in the back of cab market report. Several other major players were studied and analyzed during the back of cab market analysis to get a holistic view of the market and its ecosystem. The back of cab market also provides detailed market insights, which help the key players strategize their growth. The report includes growth prospects owing to the current back of cab market trends and their foreseeable impact during the forecast period.

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