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Fuel consumption (l/100 km)

9

7

9

6

Weight (kg)

1300

1400

1600

1000

Specific fuel savings (l)

0.35

0.3

0.35

0.35

Life-time performance (k m)

200’000

200’000

800’000

100.000

Life-time final energy savings (MJ)

23’000

21’000

100’000

11’000

Life-time primary energy savings

27’000

25’000

115’000

14’000

Chart 9: Final energy and energy supply savings for 100 kg weight reduced car examples

120

115

Average per-

Average per-

Taxi

Low per-

formance

formance

(diesel)

formance

(gasoline)

(diesel)

(gasoline)

IFEU Heidelberg

25

Tab. 4: Overview of data for exemplification of energy and CO2 savings from a 100 kg weight re-

duction

(MJ)

1.8

140

Final energy and energy supply savings for 100kg weight reduced car examples [GJ]

Life-time CO2 savings (t) Source: IFEU 2002 from various sources

2.0

8.4

1.0 IFEU 2003

20

27

25

14

0

Average performance (gasoline)

Average performance (diesel)

High performance (Taxi) (diesel)

Low performance (gasoline)

100

80

60

40

Source: IFEU 2002 from various sources

IFEU 2003

Energy savings by light-weighting

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