Do you have an idea that doesn't fit any of the other challenges? This is the place for you, whether you want to design and develop an app, create a data visualization, hack on an Arduino... or anything else you can think of!
we will use ATP as a fuel instead of petrol such as plant do its vital operation by using ATP which product from mitochondria .so astronauts may be use ATP to generate electricity i think this idae will be cheaper than petrol which it pollute the air (Atp is consider a clean resource )
we will use organic materials founded in plants