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The future of renewable fuels and their significance for climate protection

“Today, Germany is already an international leader in innovative production technologies for renewable fuels. We want to increase the competitiveness of e-fuels and advanced biofuels. Therefore, the Federal Ministry of Digital and Transport (BMDV) promotes the further development and market ramp-up of renewable fuels with the overall concept of renewable fuels,” said Oliver Luksic at #BioPtX23 in Berlin two days ago The first professional conference on renewable fuels in Germany, organized by NOW GmbH.

Oliver Luksic
Oliver Luksic

The Federal Ministry of Digital and Transport’s overall concept for renewable fuels includes four funding measures that support both the further development and market ramp-up of renewable fuels. We pursue a technology-neutral and cross-modal approach.

We need renewable fuels to achieve climate protection goals in transportation.

Uta Maria Pfeiffer

Uta Maria Pfeiffer, Head of Mobility and Logistics Division, Federation of German Industries, says: Fuel switching is our biggest and most important lever. If we want to achieve climate goals, it must happen!

Overall concept:

The German government has set binding greenhouse gas emission reductions in the Federal Climate Protection Act. To achieve this, transportation must make a significant contribution. In 2030, the transport sector may only emit 85 million tonnes of CO2, which corresponds to a reduction of 48% compared to 1990. To achieve this goal, renewable fuels play a crucial role because not every application in transportation can be electrified.

A cross-modal and technology-neutral concept

Our current transportation is diverse. Due to different usage requirements in passenger and freight transport, various propulsion technologies and fuel types will also be needed in the future. In addition to the widespread market ramp-up of electromobility, renewable fuels – especially electricity-based fuels such as hydrogen and e-fuels, as well as advanced biofuels from waste and residues – will play an important role in replacing fossil fuels in the long term. The Federal Ministry of Digital and Transport (BMDV) promotes renewable fuels with a technology-neutral and cross-modal overall concept, which is flanked by regulatory measures of the federal government.

What does the overall concept of renewable fuels look like?

The BMDV addresses the technical challenges of market entry and plant scaling with the support of development and demonstration projects: on the one hand, in the form of a technology-neutral funding guideline for the development of renewable fuels (pillar I) and, on the other hand, with the promotion of the establishment and operation of a development platform for electricity-based liquid fuels for air and maritime transport (pillar II). To address the economic barriers to the market ramp-up of renewable fuels, the BMDV is currently developing two funding measures. One funding guideline will support investments in renewable fuel production plants (pillar III). Another funding measure will promote the market ramp-up of electricity-based kerosene (pillar IV). The aim is to strengthen Germany’s technological leadership in this area.

Why do we need the overall concept of renewable fuels?

The electrification of transport with the help of batteries or hydrogen fuel cells will make an important contribution to climate neutrality. However, the application possibilities of these technologies are limited – air, heavy-duty, and maritime transport will be particularly dependent on liquid fuels on long distances due to their high energy requirements. To make these transportation applications climate-neutral, the use of renewable fuels is essential in the long term. From the BMDV’s perspective, electricity-based fuels and advanced biofuels from waste and residues are preferably suitable for this purpose. However, the use of renewable fuels is not yet competitive due to technical, economic, and regulatory barriers. The BMDV’s overall concept of renewable fuels helps to overcome these barriers.

Together we will succeed in making renewable fuels make an even greater contribution to achieving climate goals.

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Why are liquid e-fuels (C1-C4 alcohols) sustainable and essential to meet the EU’s climate targets?

Liquid e-fuels, also known as electro fuels or power-to-liquids (PtL), are a type of synthetic fuel that are produced using renewable electricity, carbon dioxide, and water. The C1-C4 alcohols, such as methanol and ethanol, are commonly used as feedstocks for producing liquid e-fuels.

Liquid e-fuels are considered sustainable and important for several reasons related to climate targets. Here are a few key points:

  1. Carbon neutral or negative: Liquid e-fuels can be produced in a carbon-neutral or even carbon-negative way, depending on the source of the renewable electricity used. If the electricity is generated from wind, solar, or other renewable sources, then the carbon emissions associated with producing liquid e-fuels can be essentially zero. If carbon dioxide is captured from industrial processes or even directly from the air, then the overall carbon footprint of the liquid e-fuels can be negative.
  • Energy storage: Liquid e-fuels are a form of energy storage that can be used to power vehicles, airplanes, ships, and other transportation modes. Unlike batteries, which have limited energy density and require frequent recharging, liquid e-fuels can be stored for long periods and easily transported. This makes them a promising option for decarbonising transportation, which is one of the largest sources of greenhouse gas emissions.
  • Existing infrastructure: Liquid e-fuels can be produced using existing infrastructure, such as refineries and pipelines, which could help to accelerate their adoption. This is, in contrast to other low-carbon transportation solutions, such as electric vehicles, which require significant investments in charging infrastructure and grid upgrades.
  • Potential to reduce emissions in hard-to-decarbonize sectors: Liquid e-fuels have the potential to decarbonise sectors that are difficult to electrify or switch to low-carbon alternatives. For example, airplanes, ships, and heavy-duty trucks have limited options for reducing their emissions, but liquid e-fuels could provide a viable low-carbon solution.

Overall, liquid e-fuels have the potential to play an important role in meeting climate targets by enabling the decarbonisation of transportation and other hard-to-decarbonize sectors. However, it’s important to note that their sustainability and climate benefits depend on the source of the renewable electricity used to produce them, as well as the efficiency of the production process.