Statements (18)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:Type_of_hydrogen | 
| gptkbp:alternativeTo | Green hydrogen Blue hydrogen | 
| gptkbp:byproduct | Carbon dioxide | 
| gptkbp:color | Grey | 
| gptkbp:dominantProductionMethod | Global hydrogen production | 
| gptkbp:emitsCO2 | True | 
| gptkbp:environmentalImpact | High greenhouse gas emissions | 
| gptkbp:notCapturedCO2 | True | 
| gptkbp:notCarbonNeutral | True | 
| gptkbp:producedBy | Natural gas Steam methane reforming | 
| gptkbp:usedIn | Industrial processes Refineries Ammonia production | 
| gptkbp:bfsParent | gptkb:Blue_Hydrogen | 
| gptkbp:bfsLayer | 8 | 
| https://www.w3.org/2000/01/rdf-schema#label | Grey hydrogen |