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Table 4 Correlations and squared correlation between alternate fuels & fuel properties (AFP), social-economic & political (SEP), aircraft technology & design (ATD), aircraft operations (AO), aviation infrastructural (AI)

From: Evolving base for the fuel consumption optimization in Indian air transport: application of structural equation modeling

Constructs	AVE	AFP	SEP	ATD	AO	AI
AFP	0.53	1
SEP	0.74	0.384*** (0.147)^a	1
ATD	0.73	0.335*** (0.112)	0.17** (0.029)	1
AO	0.72	0.414*** (0.171)	0.339*** (0.115)	0.561*** (0.315)	1
AI	0.84	0.174** (0.03)	0.001***	0.436*** (0.190)	0.301*** (0.091)	1

***Correlation is significant at the 0.001 level
**Correlation is significant at the 0.05 level
^aSquared correlation

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