Just as much as many North American's complain about the price of gas, petrol prices in Switzerland are set to rise even more. This is a result of the Kyoto protocol which aims to lower the emissions of carbon dioxide and five other greenhouse gases.
The goal is to reduce harmful CO2 emissions by 1.8 million tonnes per year between 2008 and 2012. I really don't think this will have too much affect on the reduction unless certain barriers are put in place to force people to stop using these gases.
And I certainly think the US is the one who needs to implement this procedure first. Taxing people more might have an effect if it is a bigger burden to buy gas, just as in the Provence of BC where taxes on cigarettes are up to $4 per pack. If people are offered an alternative option, reductions might occur. But I still think the alternatives are not out there to have a great enough impact just yet.