Page 69 - World Airnews Magazine July Edition 2020
P. 69

AVIATION





















































          needs to be addressed. But even if it is   space for passengers and cargo on board   alternative sources as soon as it becomes
          brought back to zero, it has, by definition,   an aeroplane.         available in sufficient amounts.
          little influence. It is therefore not very   This is exactly what has happened   The aeroplane cannot do that.
          clever to place aviation on the scaffolds   between 1960 and 2000; the fuel   The path to climate neutral flying
          as climate change’s main culprit… at least,   consumption per passenger of civil   is through the development of SAF:
          not if you really want to do something   aeroplanes decreased from 8.5 litres per   Sustainable Aviation Fuel. This can be
          about the climate change problem. Yes, say   100 km (Douglas DC-8) to 2.3 litres (Boeing   bio-kerosene, produced, for example,
          the framers, it may only be 2% now, but   777). That is a decrease of more than 70%.   from algae so that it does not compete
          aviation will grow so quickly that by 2050   Therein lays the problem.   with food production. It could also be
          perhaps a quarter of all CO2 emissions will   Unlike cars, there is little room for further   synthetic kerosene, something that could
          come from aviation.               improvement. Nevertheless, there is a   be made when there is excess production
           We speak of course of predictions made   potential solution. One could choose to   of electricity from solar or wind energy.
          before the Corona crisis. If you examine   limit mobility and thus make flying more   Both SAFs are already technically possible
          this, it turns out that the figure of 25% will   expensive. However, one would also have   but are still too expensive. The aviation
          only be the case when all other human   to make the alternatives equally more   sector was unable to invest in its further
          emission sources have been reduced by   expensive, otherwise the results will not be   development, before and certainly cannot
          at least two-thirds. And if that is the case,   favourable as demand might move to other   following the Corona crisis. If you really
          the climate change problem will have been   forms of transport that perform worse than   care about the future, you should choose
          solved. The final piece of framing that   aviation. So, the discussion must really be   to work on financing this development,
          remains is that aviation must become more   about whether or not to limit mobility, not   and not on policymaking based on framing.
          fuel efficient and that, just like with cars,   about limiting aviation.   In short: if you work in aviation, you have
          you can enforce this by taxing fuel. To say   But if you choose to set limits and make   every reason to be immensely proud.
          this shows a great lack of knowledge of   travel more expensive, governments must   If you are a policy maker, please make
          aviation.                         use the revenue from levies or taxes to   wise choices that are based on facts.
           Aircraft have a maximum take-off mass   make aviation climate neutral, because   NOTE: Aficionados of numbers and
          that must be accurately observed. Even   aviation does have a problem.   percentages can find background informa-
          if the fuel were free, aviation would   The high-speed train can run on   tion, sources and detailed examples of the
          become increasingly more fuel efficient   emission-free electricity from nuclear   framing discussed here in the pdf “Aviation
          as lower fuel consumption means more   energy and can switch to electricity from   – Framing versus Facts”. Q

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