Assessment of potential reduction of emissions
Potential for reduction of CO2 emissions
5.76 Several options for efficiency improvements have been
considered in earlier paragraphs. The potential for energy saving by combining
these steps is very vital.
Nevertheless, costs, lack of incentives and other obstacles
block many of them from being implemented. Hence, when assessing the potential
savings, we also establish clear assumptions regarding the extent of
compromise, effort and extra costs that are needed.
An evaluation of potentials for saving energy using present
technology and methods is presented in table 5-2. The values given in this
table exhibit the variations in benefits for various ship types and the level
of motivation to achieve savings.
5.77 Projected efficiency improvements are presented as
scenarios in Chapter 7. The high values presented in table 5-2 relate fairly
well to the scenario with the highest improvement in energy consumption, in
which net improvements, without the use of low-carbon fuels, range from 58% to
75% in 2050, depending on the type ship. This assumption, including indicators
of historical transport efficiency for various ship types, is portrayed in
figure 5-1. The historical background for the generation of efficiency data is
shown in Chapter 9.
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