Table 2 Environmental impact (CO2 emissions) comparison.

From: Life cycle assessment and multicriteria decision making analysis of additive manufacturing processes towards optimal performance and sustainability

Method

Avg. CO2 emissions (kg/build)

CO2 reduction (%)

Std. deviation

Proposed

280

15

12

[4]

320

7

15

[5]

345

5

18

[13]

310

9

13

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