20 years ago, who is going to lobby for electrical cars or solar power? They aren't financially profitable.

It's far easier to make technological progress than it is to fight in politics.

We already are. At the national level, there is a High Speed Rail lobby group http://www.ushsr.com/

At the local level, it is up to you. In my city of Pittsburgh, we are removing parking and expanding transit access and bike lane coverage. But there is still a lot to be done, so I am advocating for change by participating in groups and contacting my city councilman.