Create an engine with solar and human energy in the Picapiedra Clean Energy style

The planet is heating, the oil is running out and the garbage is accumulating,
what can we do to change the geniuses of the mechanics?
Now the challenge is not to make comfort or speed, but to renew and create clean and safe energy for all.
Does the forum have the following
a normal combustion engine could solar energy?
How many panels do the force to displace the vehicle at a speed of 40 km per hour and capacity of 6 people?
For the runners, a vehicle can be adapted to generate energy while running to take their relatives without much effort?

Hello, I recommend that you see this and many more videos about the Tesla car the link of one of them Link:

Their problem is the expensive ones that are greetings