Table 1 Parameters of the 2030 and 2022 scenarios comparison

From: Solutions for decarbonising urban bus transport: a life cycle case study in Saudi Arabia

Parameters

 

2022

2030

1. Energy mix

Oil

39.2%57,58,59

0.0%4,34

NG

60.6%57,58,59

50.0%4,34

Solar

0.2%57,58,59

36.4%4,34

Wind

0.0%57,58,59

13.6%4,34

2. CCS efficiency

 

90.0%32

96.2%55

3. Shale gas share

 

0%

9.7%48,49

4. Bus weight in kg

FCB

12,46412,125,126,127

9939128

BEB

14,40012,125,126,127

11,483128

ICEB

12,70012,125,126,127

9457128

5. Recycled steelb

FCB

23.2%35

73.6%33

BEB

10.1%35

73.6%33

ICEB

41.6%35

73.6%33

6. Recycled aluminiumb

FCB

99.4%36

64.9%33

BEB

19.2%36

64.9%33

ICEB

70.9%36

64.9%33

7. Recycling rate of Li2CO3

 

0%

30.0%c

8. FC stack efficiency

 

52.0%37,129

61.0%37

  1. aThe weight of the bus does not include the weight of the tyres.
  2. bThe percentage of recycled materials utilised in the production of buses.
  3. cThis is predicated on our hypothesis.
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