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Fuel Efficiency

CNG

Fun to drive

2 5 0

3 0 0

3 5 0

05 0 0 01 0 0 0 0

p

2 5 0

3 0 0

3 5 0

05 0 0 01 0 0 0 0

p

05 0 0 01 0 0 0 0

pp

IPCC:Intergovernmental Panel on Climate change

2014

2010

103000m

No

IPCC

1

920301930

: http://www.oilposter.org 1950 1970 1990 2010

60

50

40

30

20

10

0 : Aleklett

‘92 ‘96 ‘00 ‘04 ‘08 ‘12 ‘16 ‘200

30

60

90

120

150

WTI

()

SHELL

0

9

2013 80002100 1500 1500 5002012 /1930 2013 /2100 2020/3000

50

100

(2wt%)

(35MPa)

0

1/20

1/10

CNG(20MPa)

B2

B5

B7B10B20

B3B2

B5

B7B10B20

B3E3

E10

E10+E20+E5

E3

E10

E10+E20+E5

B2

B5

B7B10B20

B3B2

B5

B7B10B20

B3E3

E10

E10+E20+E5

E3

E10

E10+E20+E5

2010 CO2)

0

200

400

600

800

1000

1200

$/to

e

02 03 04 05 06 07 08 09

LPG

35%

35%

41%

40 65

( 100 )

74

CBM91

30

96 (1996 )

2013

/2013 2023

1000100~100030~10010~30

1,703

1,6501,532

730432

336

251180

120

101

100

821

CNG

GVR July 2008

CNG400

CNG 10%

LNG

(EIA

(Gas-rich shale)

NOHC

CO NO2O3

O3,

NO2+OH HNO3

NO+O NO2NO2+O2 NO+O3

light

HNO3

PM

Zero Emission Viehcle2012

11 12 14 16

LCCS

( )

/

Well to Wheel

20001950190018501800

157

1895

1767

1969

1886

1899100km/h

1900

1905 T

1886

16 /h

2.4L V8

125

19000rpm 300Ps/L125 300

4

TDC BDC BDC

TDCTDC BDC

4

0 180 360 540 720

SI:Spark Ignition

TDC BDC BDC

TDCTDC BDC

0 180 360 540 720

4CI:Compression Ignition

( (

50 40

260 3MPa)

40 50

200 3MPa)

9 14 14 1814.6 16 30

( )

=V1/V2=1-1/ -1

(BDC)(TDC)

V2 V1

(BDC)(TDC)

V2 V1

E.OE.CI.OI.C

60

1-=

=

/

kJkJ

2684

J/

kJ

20

DOHC: Double Over Head CamshaftVVT :Variable Valve Timing

-/

[ ]