In Search of Alternatives: Aviation Fuel for a Durable Economy

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Aviation remains heavily reliant on liquid fossil fuels, posing a significant challenge for transitioning to a sustainable economy. The current demand for jet fuel is immense, with estimates of 6,000 liters needed per second globally, raising concerns about the feasibility of synthetic alternatives. Hydrogen fuel is suggested as a potential solution due to its high energy density, but it faces challenges in storage and production costs. Innovations in aircraft materials and designs are being explored to improve efficiency, yet the aviation sector's dependence on liquid fuel complicates the transition. Addressing these issues is critical for the future of aviation and its economic impact.
  • #31
physicsCU said:
Propellor driven is a bad idea. You cannot go as high, meaning that your max altitude, where it is best for fuel economy, is in areas of high turbulence. Jet engines can fly higher than any propellor. It is the inherent nature of the two, no matter the fuel being used.

It also represents a step backward in aviation technology, and you will see the downfall of the industry if you try to use props again.
Or you might see an industry-wide adoption of ground-effect planes.
 

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