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We need to move to electric motors, or perhaps nuclear powered engines. Neither of these would emit carbon dioxide. At present the best way to store electricity is in batteries, which are heavy. If we have a breakthrough in electricity storage, then electric planes might be possible.

A:HOTOL 1984 till now.

There were plans for an air breathing aircraft, by Rolls Royce. The engine was technically a liquid hydrogen/ liquid oxygen design. However this vehicles funding ceased. New developments in this technology are not dead yet.

Look for HOTOL on the web if you are interested in no CO2s.
You can reduce the carbon emmisions caused by planes by maby having lighter planes that are smaller and hold less passengers e.g. sending out more flights but holding less passengers and luggage.
Less people on board ?

  1. By growing more and more trees to absorb the carbon from the atmosphere.
  2. By using trains and buses where possible rather than planes.
  3. By developing aircraft engines that have a much lower carbon footprint that at present.
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