Criteria

Ultra-low sulfur diesel

Biodiesel

Compressed

natural gas (CNG)

Hybrid

diesel-electric

(1) Energy availability

6

8

4

2

(2) Energy independence

4

3

1

2

(3) Energy efficiency

9

12

6

3

(4) Cost of implementation

5

15

20

10

(5) Cost of maintenance

4

12

8

16

(6) Air pollution

18

18

6

6

(7) Noise pollution

27

27

18

9

(8) Safety

4

4

6

2

(9) Vehicle capability

8

32

16

24

(10) Vehicle reliability

7

21

14

21

(11) Vehicle serviceability

11

33

22

33

(12) Sense of comfort

30

40

20

10