Page 174 - Technology Roadmap Transportation
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TECHNOLOGY VISION 2035





                             3.0

                              STATUS OF TECHNOLOGY





                             Almost 90% of global trade by weight is done   change. Greenhouse gases such as CO  are
                                                                                                     2
                             through commercial shipping in a cost and   the primary contributors to the anthropogenic
                             energy efficient way as compared to the other   warming of the atmosphere, as is evident from
                             modes of transport. The regulatory framework   Fig 3.1 indicating the percentage composition of
                             for international shipping is prescribed by the   GHG.
                             International Maritime Organization (IMO); the
                             industry’s regulating body based in London. Key   According to Assessment Report (AR 5) of
                             environmental regulations coming into force this   Intergovernmental Panel on Climate Change
                             decade are emissions of greenhouse gases (GHG),  (IPCC), an increase in atmospheric CO
                                                                                                      2
                             in particular carbon di oxide (CO ), sulphur   concentration to 450 ppm level will lead to a
                                                        2
                             oxides (SO ), nitrous oxides (NO ), particulate   2° Celsius rise in global average temperature.
                                                       X
                                      X
                             matter (PM) as well as ballast water management.   In 2015 Paris Agreement, it was agreed by all
                             Complying with these regulations will have   parties to hold the global average temperature
                             significant technological, financial and operational   to well below 2˚C above pre-industrial levels and
                             implications for the shipping industry.   pursuing efforts to limit the temperature increase
                                                                       to 1.5˚ C”. Now, all efforts are being made by
                             3.1 CO  EMISSIONS REDUCTION MEASURES      international regimes worldwide to restrict CO
                                                                                                            2
                                   2
                                   th
                             The 20  century has been an era of rapid   concentration in the atmosphere to 450 ppm
                             industrialisation. Due to exponentially increased   level. According to IPCC forecasts, as shown in
                             industrial activities and burning of fossil fuels, CO    Fig 3.2, the ‘Business As Usual’ use of fossil fuel will
                                                                   2
                             concentration in the earth’s atmosphere has been   lead to considerably high CO  concentration by
                                                                                              2
                                                                                     st
                             rising consistently over the past several decades,   the end of the 21  century. Therefore, in order to
                             thus contributing to global warming and climate   limit the atmospheric concentration of CO  to the
                                                                                                         2
                  FIG 3.1: BREAKUP OF MAJOR GHG EMISSIONS (GLOBAL DATA)[1]

                                                                        F-gases

                            Nitrous Oxide               2%
                                      Others       6%




                    Methane             16% 27%




                                                
                                                        65%             Carbon Dioxide
                                                                                           (Fossil Fuel and
                                                                                           Industrial
                                      11%                                                  Processes)







                         Carbon Dioxide
                         (Forestry and
                         other Land use)



            172    WATERWAYS






                                                                                 Manufacturing &
                                                                                 construction
                                                         21.3%                   Road
                                 18.2%
                                                                                 Other Energy
                                                                                 Industries

                                                               1.9%              International Aviation
                          4.6%                                     2.7%              International Shipping
                                            0.6%              Domestic shipping & Fishing
                                               
                                           

                                                                35%              Electricity & Heat
                                                                                 Production

                            15.3%                                                Other
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