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Publication Harmonized GHG Emission Factors for Air Travel in Germany

ifeu paper 01/2026

Authors: Michel Allekotte , Jan Kräck , Claudia Kämper
Year: 2026

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Project Standards for Municipal Climate Action Monitoring

Runtime 04/2026 – 04/2029

Municipalities play a key role in implementing climate action to achieve national climate targets. To assess the effectiveness and alignment of local climate action, municipalities need practical and

News Fuel consumption and CO2 emissions of plug-in hybrid vehicles in real-world driving conditions

New study by Fraunhofer ISI, Öko-Institut and ifeu highlights need for action and possible regulatory implications Plug-in hybrid electric vehicles (PHEVs) can run on electricity or a combustion engin

Publication Regulatory adjustments needed for plug-in hybrid vehicles in Europe

Authors: Patrick Plötz , Till Gnann , Peter Kasten , Jan Steinbach , Julius Jöhrens
Year: 2026

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News Shaping climate change in a socially responsible manner

Insights from Dr Brigitte Knopf at the ‘Treffpunkt Transformation’ event As part of the event series “Treffpunkt Transformation – Zukunftswissen im ifeu” (Meeting Point Transformation – Future Knowled

News A new emissions trading scheme for buildings and transport – TREFFPUNKT TRANSFORMATION with Dr. Jana Nysten

Yesterday evening, we welcomed Dr. Jana Nysten from the Environmental Energy Law Foundation to the ifeu Institute in Heidelberg for an exciting lecture as part of our lecture series “Treffpunkt Transf

News Distorted incentives for the drive system transition: greenhouse gas quota disadvantages battery trucks

Press release The current structure of the greenhouse gas reduction quota (GHG quota) creates distorted incentives in road freight transport. A new study by the German Institute for Economic Research

Publication Update TREMOD 2024

Authors: Michel Allekotte , Kirsten Biemann , Marie Colson , Christoph Heidt , Jan Kräck , Wolfram Knörr
Year: 2025

TREMOD Endbericht 2024

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Publication HBEFA Traffic Situations

Applications guidelines

Authors: Benedikt Notter , Brian Cox , Katja Vuorenmaa Berdica , Daniel Sahlgren , Jan Kräck , Christoph Heidt
Year: 2025

HBEFA Traffic Situations

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Publication Aktualisierte Bewertung von Emissionsminderungspotenzialen zusätzlicher Verkehrsmaßnahmen

Aktualisierung der Emissionsprojektionen des nationalen Luftreinhalteprogrammes

Authors: Christoph Heidt , Michel Allekotte , Udo Lambrecht
Year: 2025

Aktualisierte Bewertung von Emissionsminderungspotenzialen zusätzlicher Verkehrsmaßnahmen

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