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Table 2 Articles dealing with specific aspects used to enrich the review results

From: How and to which extent can the gas sector contribute to a climate-neutral European energy system? A qualitative approach

Aspect References
Statistics and databases [2, 35, 37, 73, 77]
Renewable gas production technology [3, 4, 45, 46, 55, 56, 58, 59]
Technical potentials [6, 7, 49]
Economic considerations [9, 60, 67]
Legal/regulatory background [20, 22, 26, 27, 33, 41, 48, 50, 78]
Methane leakage [74,75,76]
Energy storage technologies and potentials [36, 38, 39]
Hydrogen as an energy vector [40, 51, 53, 57]
Implications and developments on end-user side [64,65,66, 69, 70]
Electricity grid issues [42, 43]
Policy considerations [61, 71, 79, 109]