Many of us at the Humphrey Institute continue to believe the best way to make travel demand equal the limited capacity of the road system is to make the variable cost high enough that people decide to only take trips that are important enough to them that they are willing to pay for the total cost they impose upon the system. But enough economics wonk-speak.
What we are really talking about is our interest in new policy directions like Congestion Pricing and Carsharing. However, Implementing these on a large scale continues to take time and effort.
In the meantime, regular folks are putting some great tools on the web that help just about anyone who wants to understand their current costs, such as fuelly.com, or reduce them at Gas Free Commute