Data Did You Know: In case you hadn’t noticed (sarcasm mode off) prices at the pump are up a little bit, as shown below. In the short run, this won’t affect Vehicle Miles Traveled (VMT) too much, since driving for work and business add up a lot more than the discretionary trips that can be put off. Only when it looks to be permanent will consumers start to change their behavior. The data below is from the US Dept. of Energy, Energy Information Administration.