> We have already seen price of $ 140 per barrel last year.
> If price goes up to $ 140 again in future the burden on US consumers
> will be about $ 230 Billion per annum.
> So how much should US invest to find alternatives to Gasoline?

I would point out that one of the alternatives is oil sands. There are
some measures where CO2 reduction goes hand in hand with increased
energy security, but for many others this is not so. Another example
is carbon capture and storage, which reduces the amount of CO2
emitted, but increases the amount of energy that needs to be consumed.

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