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The Official Journal of the Pan-Pacific Association of Input-Output Studies (PAPAIOS)

Table 14 Differences in CO2 emissions between on-site and off-site hydrogen production (Unit: t-CO2).

From: Scenario input–output analysis on the diffusion of fuel cell vehicles and alternative hydrogen supply systems

 

On-site production

Off-site production

Steam reforming of methane (0%)

Direct decomposition of methane (100%)

Steam reforming of methane (0%)

Direct decomposition of methane (100%)

Vehicle substitution

Fuel substitution

Vehicle substitution

Fuel substitution

Vehicle substitution

Fuel substitution

Vehicle substitution

Fuel substitution

Agriculture, forestry, and fishery

− 1

− 2

− 1

− 0

− 1

− 2

− 1

− 0

Mining

3357

− 628

3357

− 528

3357

− 628

3357

− 527

Hydrogen

0

320,822

0

45,436

0

320,822

0

45,436

Petroleum products

1575

− 161,062

1575

− 160,244

1575

− 160,968

1575

− 160,150

Gasoline vehicles

− 7903

0

− 7903

0

− 7903

0

− 7903

0

FCVs

7903

0

7903

0

7903

0

7903

0

Other manufacturing industries

151,759

− 1805

151,759

− 368

151,759

− 1767

151,759

− 330

Electricity

15,803

− 26,949

15,803

− 22,374

15,803

− 26,801

15,803

− 22,226

City gas

− 99

4863

− 99

11,709

− 99

4863

− 99

11,710

Other tertiary industries

3894

− 16,907

3894

− 14,211

3894

− 14,819

3894

− 12,123

Industrial sector total

176,288

118,331

176,288

− 140,580

176,288

120,700

176,288

− 138,211

Household sector

0

− 1,486,080

0

− 1,486,080

0

− 1,486,080

0

− 1,486,080

Total

176,288

− 1,367,749

176,288

− 1,626,660

176,288

− 1,365,380

176,288

− 1,624,291