Automobile and Airplane LCA
"JCMA Model"
Sept. 2008
The Japan Carbon Fiber Manufacturers’ Association
Copyright 2008 The Japan Carbon Fiber Manufacturers’ Association All Rights Reserved
Background
◆ CO2 emission in Japan (2005)
Translation
loss: 6.1%
Airplane : 4.8%
Manufacturing &
Transport : 20%
Construction: 35%
Business
CO2 Emission:
Private car : 49%
truck : 17%
1.3 Billion ton
Civilian sectors:
Private
19% (Business)
truck : 18%
Civilian sectors:
13% (Private)
< Total CO2 emission in Japan >
< CO2 emission in transport sector >
(Ref: IEA CO2 emission)
CO2 emission during transport with airplanes and private cars
is equivalent to around 10% of total CO2 emission in Japan
Copyright 2008 The Japan Carbon Fiber Manufacturers’ Association All Rights Reserved
Conventional automobile and airplane in “JCMA Model”
Automobile
Airplane
< Presupposition >
<Presupposition>
Type:Middle size, Gasoline engine,
Type:Middle size (B767; 280 seats)
4 door, FF (average weight:1,380kg)
Flight:Domestic line (Tokyo⇔Sapporo),
Mileage:9.8km/l (average in Japan),
Lifetime: 10 yrs; 2,000 flights/yr
Lifetime:10yrs; 9,400km/yr
(ditto)
(Ref :ANA)
(Ref :JAMA)
Assembly:4%
Scrap:1%
Materials, Production, Assembly、Scrap: 1%
Materials・
Production:
Flight: 99%
Drive:83%
12%
Most CO2 is emitted
during drives & flights
(Automobile:83%、Airplane:99%)
Weight reduction with CFRP application should be effective in CO2 reduction
Copyright 2008 The Japan Carbon Fiber Manufacturers’ Association All Rights Reserved
Automobile LCA “JCMA Model”
◆ Conventional car and CFRP car
Hood
Roof
Front Cowl
Door Frame
Seat
Fender Support
RR luggage Partition
FR Engine Cover
Radiator Core
Support
Standard sedan
Door inner
RR luggage space
Energy Absorption
CFRP
Pipe
Under Cover
FR Dash
Thermoset CFRP:Panels, Structures
1,500
CFRP :17 %
CFRP
(Weight: 30% of steel)
(174 kg)
Others
Thermoplastic CFRP:other parts
AL
1,000
Steel
(Weight: 50% of steel)
Steel
500
968kg
Steel
Body weight
385kg
0
1380→970kg (▲30%)
Conventional
CFRP car
Body weight can be reduced by 30% with CFRP application
Copyright 2008 The Japan Carbon Fiber Manufacturers’ Association All Rights Reserved
Airplane LCA “JCMA Model”
◆ Conventional plane and CFRP plane
CFRP
B767-300
CFRP :3% (1.8 ton)
CFRP :50% (24 ton)
Others
80
Primary structures &
CFRP
Secondary structures
Body weight
Secondary structures
Ti
70
Steel
60→48ton (▲20%)
60
AL
50
Steel
Body
Fuel
Payload
40
30
CFRP
60t
13t
61t
Al
Conventional plane: 134 ton in total
20
Ti
10
Al
48t
13t
61t
0
CFRP plane:122 ton in total
Conventional plane
CFRP plane
(Based on material ratio of B787)
Body weight can be reduced by 20% with CFRP application
(Equivalent to 9% reduction in total weight)
Copyright 2008 The Japan Carbon Fiber Manufacturers’ Association All Rights Reserved
“JCMA Model” Summary
◆CO2 reduction effects through CFRP application
Airplane
Automobile
Reduction: 16%
Reduction: 7%
Assembly:3800 t
Materials, Production:700 t
Total:395 kt
0.3 t
Total:31.5 t
390,000 t
3.9 t
26.0 t
Material
Material
Manufacturin
1.2 t
Manufacturin
Operati
Recycl
Total:368 kt
Operation
364,000 t
Recycle
5.1 t
20.2 t
Total:26.5 t
0
100
200
300
400
0.3 t
0.8 t
Assembly:3000 t
Materials, Production:900 t
*Scrap = 0 t
0
10
20
30
40
CO2 [t/(car・10yrs)]
CO2 [103 t/(plane・10yrs)]]
▲0.5 t CO2 Reduction/(car・yr)
▲2,700 t CO2 Reduction/(plane・yr)
Cars possessed in Japan:42 Million
Airplanes possessed in Japan:430
(Ref. :JAMA)
(100 seats or more)
(Ref. : JAL & ANA)
Equivalent to 1.5% reduction of total CO2 emission in Japan (1.3 Billion ton/yr)
C