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The 'Hidden Battleground' of Fuel Emission Factors 

Understand the methodological gaps behind fuel emission factors and how the CLEVER project harmonizes transport emissions accounting.
This is module 1 of 7 CLEVER Live, Virtual Trainings. Explore more from CLEVER
LEVEL
Intermediate
FORMAT
Live, Virtual
DURATION
1 x 1.5hr session
DATES
26/03
[15:30-17:00 CET] 

What you will learn?

Gain practical, actionable knowledge you can apply to transport emissions accounting and reporting right away. 
  • What the CLEVER project is and how it supports harmonized transport emissions accounting.
  • What emission factors really represent and how they are calculated.
  • Understanding the difference between emission factors and emission intensity - why confusing them can lead to misinterpretation in reporting and decision-making.
  • Learn how methodological gaps affect emissions data.
  • Applying a life cycle approach to fuel emission factor development.
  • How CLEVER harmonizes goal, scope, and system boundaries across fuel pathways and transport modes. 

Why This Course Matters

This live, virtual training focuses on the “hidden battleground” behind fuel emission factors and introduces the CLEVER project, which supports the CountEmissionsEU regulation and aligns with ISO 14083. Participants will explore the key methodological gaps identified through the CLEVER Gap Analysis and learn how these gaps can affect emissions accounting and reporting.

Emission factors shape how transport emissions are measured, reported, and compared. Yet today, they are often inconsistent, lack transparency, and are difficult to interpret. Different methodologies, assumptions, and system boundaries can lead to significantly different results for the same fuel pathway. 

This training highlights the importance of harmonized system boundaries as a first step toward consistent and credible emission factors. Building on stakeholder consultation and gap analysis outcomes, the training presents CLEVER’s key methodological choices for the life cycle approach, including its goal, scope, and system boundary definitions.

Required pre-work: Participants are encouraged to complete the following free microlearning courses: Introduction to GHG Emission Factors , The CLEVER Project and its Impact and Understanding Transport Emissions.

This session is part of a broader training series running throughout 2026, focused on fuel emission factor calculation, the appropriate use of default fuel emission factors, and supporting informed decision-making in transport emissions. 
 

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