No, that is not really how it works.
We are actually pursuing a more “down to earth” approach to solve a problem that could threaten the aviation industry in just a few years from now.
Airplanes do pollute the atmosphere.
The airlines have done quite a good job over the last 50 years to clean their emissions. But still, as of today, emissions from aviation account for somewhere between 2 and 3% of overall carbon emissions.
That does not sound much at first glance. But – with continued growth of airline travel – emissions will continue to increase.
The graph below shows the expected increase of carbon emissions from aviation for selected European nations. There is not much reason to believe that the situation looks any different for the United States.
Graph by researchgate.net. This is the full link:
Considering that almost all sectors of human activities are trying hard to reduce their emissions, within a few years, we could see the carbon emissions from aviation rise to 15 to 20% of the overall emissions. Not so much because of the increase of aviation activities. More so because everyone else tries hard (or is forced by government action) to reduce their emissions.
There is no time to lose. We have a 5-step-plan to get the Clean Aviation Project going. We’ll start at the very bottom of aviation: Light Aircraft
True, we do not have so much potential for great results right now. Because light aircraft are not a major contributor to global emissions. But we are going to develop and test solutions which will be scalable to large aircraft once we have our results verified.
Just an example: In step 4 and 5 we will turn to combustion engines using hydrogen. Piston engines can be converted to run on hydrogen. And large aircraft turbines can too – with relatively small conversions.
Our research will more center on the safe storage of hydrogen. We have a plan that avoids high pressure tanks or super-freezing. And the way we will store hydrogen, it will not be combustible, let alone explosive, and will be temperature stable over a wide range.
But I am getting ahead of myself by talking about step 4 and 5. Step 1 will be a conventional airplane with piston engine. But the revolutionary powertrain will make this airplane the cleanest piston airplane on the market – by a wide margin.
This is the airplane we have been using as our testbed:
This is a link to our 5-step program:
Please join our mailing list and follow through how we will move from step to step to make aviation clean!
With our funny introduction, did we get you interested in how and why contrails develop? Here is what Encyclopedia Britannica says:
“…contrail, also called condensation trail or vapor trail, streamer of cloud sometimes observed behind an airplane flying in clear cold humid air. A contrail forms when water vapor produced by the combustion of fuel in airplane engines condenses upon soot particles or sulfur aerosols in the plane’s exhaust. When the ambient relative humidity is high, the resulting ice-crystal plume may last several hours. The trail may be distorted by the winds, and sometimes it spreads outward to form a layer of cirrus cloud. On rare occasions, when the air is nearly saturated with water vapor, air circulation at the wing tips of an airplane may cause sufficient pressure and temperature reductions to cause cloud streamers to form.”
This is the complete link: https://www.britannica.com/science/vapor-trail
There is also an in-depth-view of contrails, published on the FAA’s website. This originally an EPA document and it is quite detailed: https://www.faa.gov/regulations_policies/policy_guidance/envir_policy/media/contrails.pdf