The Future of Electric Vehicles

Economists have said for many years that if you want to make a dent in carbon emissions, you've got to put a tax on carbon. You have to make it expensive to choose a kind of gas guzzler over an EV - and the only way to do that is to tax dirty fuels. Short of that, which politically there are lots of obstacles in front of a carbon tax, there are things that could be done," he says.