Isnt "peak oil" just a media invention. If you are saying that we've reached peak oil, then you are essentially saying that there is no oil left in the world that isnt currently being tapped. What a load of rubbish - there's loads of oil in the Atlantic, just at present the technology isnt there to fully exploit it. As technology improves, this will be tapped.
No, peak oil is based on geologic science. However, like global warming it is not an exact science and whether you believe in it is up to you.
What peak oil means is the following: at some stage the supply of oil will not be able to keep up with the demand, as no matter what you do, you cannot extract more than is practically possible restricted by costs.
The reason certain oil reserves are not currently tapped is not because the technology doesn't yet exist, but rather that using that technology is too expensive, i.e. retrieving one barrel of oil costs more than the market price of that barrel.
Peak-oil does not mean the end of oil, but the end of cheap oil.
You are also saying that oil usage will not change. I'd say that it's near certain that electric car technology will improve at a similar rate to the way mobile phone technology improved between the 80s and 90s. Where there's a demand, the technology will improve more rapidly than people imagine.
We could end up in a situation whereby in 20 years time, nobody is interested in oil and the middle east is bankrupt.
Of course oil usage is changing, the problem is that oil usage is going up. Of course electric car technology will improve, but the electricity still has to be generated. And if the amount of electric cars increases, so does the demand for electricity, resulting in higher electricity prices making oil more attractive.
The scientific world is split between those that believe we've passed peak-oil, those that think it is imminent, and those that think it is about 10 years out. The big question is whether electric motor and battery technology can improve fast enough AND whether roughly 800million motor vehicles can be replaced fast enough.
And even if this happens, electric motors and batteries require huge amounts of limited resources themselves.