Glossary · 8 terms

GHG glossary

Plain definitions of the terms used across KeeWeeX articles on GHG verification, CORSIA, Clean Fuel Regulations and predictive emissions monitoring. Each term links to the topic where it is explained in depth.

C

Carbon intensity
The life-cycle emissions of a fuel per unit of energy it delivers.Clean Fuel Regulations articles
CERT
ICAO’s CORSIA CO₂ Estimation and Reporting Tool, used by eligible smaller operators to estimate emissions.CORSIA & aviation articles
CFR
Canada’s federal Clean Fuel Regulations, administered by Environment and Climate Change Canada (ECCC).Clean Fuel Regulations articles

E

EEU
CORSIA Eligible Emissions Unit: a carbon credit an operator cancels to meet its offsetting requirement.CORSIA & aviation articles

H

Held-out data
Data kept back from training and used only to test a model, so its score reflects data it has not seen.PEMS & AI articles

I

ILUC
Induced land-use change: emissions from land converted to grow fuel feedstock, counted in a fuel’s life-cycle value.CORSIA & aviation articles

P

PEMS
Predictive emissions monitoring system: a model that estimates stack emissions from process data instead of a stack analyzer.PEMS & AI articles

S

SAF
Sustainable aviation fuel. A CORSIA eligible fuel can lower an operator’s offsetting requirement, based on its life-cycle emissions.CORSIA & aviation articles