Browse Articles
Filter by topic to find the explainers most relevant to you.
What is Carbon Intensity and Why It Matters
Carbon intensity compares lifecycle greenhouse gas emissions per unit of energy. The boundary, method, and supporting evidence matter as much as the number.
Physical vs Book & Claim
Physical chain of custody and Book & Claim connect fuel and environmental attributes in different ways. The governing scheme determines what evidence and claims are valid.
Why Compliance is Not the Same as Credits
FuelEU compliance balances, EU ETS allowances, and voluntary carbon credits are different instruments. Each can be used only for the purpose allowed by its governing rules.
How to Account for Scope 3 Fuel Emissions Carefully
Scope 3 fuel accounting starts with the reporting boundary and a consistent method. Supplier data can improve an estimate, but a transaction record is not an assured emissions inventory.
Energy Content Matters: Why $/Tonne Isn't Enough
A price per tonne can hide differences in delivered energy. Converting offers to a common energy basis makes the assumptions and trade-offs visible.
FuelEU Maritime: What Fuel Buyers Need to Know
FuelEU Maritime has applied since 1 January 2025. It limits the yearly well-to-wake GHG intensity of energy used by ships within its scope.