Table 19 Effect of increased energy consumption on research objectives.

From: Optimization of carbon emission in an integrated machine-piece scheduling and vehicle routing problem and its solution using MOPSO and NSGAII metaheuristic algorithms

20% reduction

Initial state

20% increase

400968.3

7279

400974.9

7279

401557.3

7515

400969.6

3915

400976.5

3915

401558.9

4042

400975.9

2521

400984.3

2521

401566.8

2603

400979.6

749

400990.6

1885

401,573

1946

400982.1

0

400998.5

820

401580.9

847

  

401001.6

609

401584.1

629

  

401006.3

0

401588.8

0