No! Even if it was it would run out very quickly. Using every fossil fuel is bad for the enviroment in some way.
Yes, using fossil fuel oil (petrol, gasoline, kerosene etc) releases carbon dioxide which is a pollutant causing global warming and climate change.
If you are using bio fuel you are not using fossil fuel. Crude oil is a fossil fuel
Oil is used to fuel cars
Acid rain and global warming are the man two risks using oil as fuel.
the leakage of the oil from the vehicle you use impacts your environment.
They really do not help the environment. They may even be worse for the environment then conventional cars. They do save some fuel though. Helping reduce the dependence on forgeign oil is a good thing.
pollution
The benefits for using oil as a fuel for transport is it is easy and reasonably cheap to transport the fuel from the source to the destination.
50:1 if you are using regular two stroke oil, 100:1 with a good synthetic oil
NO
No
It does not matter where oil comes from it is bad for the environment shale oil is just a Les efficient source of oil.