Mobility

On the Road to Decarbonization

Transportation currently accounts for around a quarter of global energy-related CO2 emissions. 70% of direct transport emissions comes from road vehicles like cars, trucks, buses and two- and three-wheelers with trains (1%), shipping (11%) and aviation (12%) making up the remainder.1 Absolute CO2 emissions produced by the transport sector will have to fall dramatically if the world is to meet the goals of the Paris Agreement.
Hydrogen Applications

As the world unfolds the full potential of the lightweight gas, the scope for its application increases beyond its traditional uses.

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Transportation accounts for 24% of direct global CO2 emissions from fuel combustion, and road vehicles - cars, trucks, buses and two- and three-wheelers - account for nearly three-quarters of transport CO2 emissions (the remaining quarter is from aviation and shipping).1 Absolute CO2 emissions produced by the transport sector will have to fall dramatically if the world is to meet the goals of the Paris Agreement.


A growing number of countries are enacting laws aimed at reducing transport CO2 emissions. For example:

  • Beginning in 2021, European Union legislation mandates that 45% of all new buses must be zero-emission vehicles.2 This figure is set to rise to 65% in 2025. This legislation is part of a plan to combat climate change through a 30% reduction in CO2 emissions from buses and trucks by 2030.3 The legislation will also improve air quality for citizens in Europe’s cities.
  • By 2030, Japan aims to have built a hydrogen supply chain that will produce 300,000 tons of hydrogen and to have expanded the reach of hydrogen mobility. The plan includes getting 800,000 fuel-cell cars and 1,200 fuel-cell buses on the road by 2030.
  • South Korea’s Green New Deal targets 200K hydrogen-powered vehicles and 450 HRS (Hydrogen Refueling Stations) by 2025.
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Hydrogen: The best back-to-base option

Hydrogen offers a powerful, carbon-free alternative to conventional fuels as the only thing vehicles equipped with hydrogen-powered fuel cells emit is water vapor.

The advantages of using hydrogen as a clean source of fuel become increasingly evident, in particular for heavy-duty transport, such as commercial vehicles and public transit networks. Fleets are - by virtue of their usage patterns - ideal for hydrogen. Buses, trains and, in some cases, trucks are continually in use, but they always return to base. As a result, refueling frequency at each station is relatively high, thus accelerating return on infrastructure investment. Electric buses that run on hydrogen are also resonating strongly among drivers and passengers. They offer a much smoother, more relaxing ride as they reduce both vibrations and engine noise. More importantly, using hydrogen to power public transit reduces harmful, ozone-depleting emissions while improving air quality in urban areas. Aberdeen was one of the first cities to convert their bus fleet, one of the largest in Europe, to hydrogen.

Hydrogen bus in front of HRS station, hydrogen refueling station for buses (350 bar), ESWE, Wiesbaden, Germany

Hydrogen opens up great opportunities, not only for buses and trains, but also for commercial public works vehicles. Just like buses, municipal waste vehicles, road sweepers and other specialist vehicles follow scheduled routes and are usually served by a central supply station. All of these factors make it easier to set up municipal hydrogen infrastructures.

But hydrogen’s potential for decarbonization is not limited to land - it is set to play a key role in decarbonizing aviation on the ground, through airport transport and logistics (forklifts, buses, trucks) powered by green H2, and in the air, through LH2 for short-and-medium-range flights and SAF (Sustainable Aviation Fuels) for long-haul flights and more immediate use.

Hydrogen will also play a role in reducing emissions in shipping, both on water (ferries and large ships) and on land (port logistics). Learn more about the world’s first hydrogen-powered ferry.

Linde provides a turnkey solution to our mobility customers: from design, to construction and operation, including cutting-edge technologies to produce, store and dispense hydrogen. We are the world’s largest manufacturer of hydrogen production plants and a leading provider of equipment for hydrogen refueling stations.

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IPCC Sixth Assessment Report 2022

2 Institute for Climate Protection, Energy and Mobility (IKEM)

3 European Commission

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