You are not wrong, simply driving a Prius won't save the world. If however we start including the actual costs to society in the cost of petro then you won't ne

You are not wrong, simply driving a Prius won't save the world. If however we start including the actual costs to society in the cost of petro then you won't need to encourage people to drive hybrids or recycle. I am not so sure that the price of petro is negatively tied to innovation, or at least the innovations needed to mitigate global warming.