Stash this one in the "we don't see a downside to this" department.
Researchers at the University of California, Riverside have received a $1.2 million grant from the Department of Energy to evaluate technologies that provide drivers with feedback so they can cut emissions and reduce fuel consumption by up to 30 percent.
You know about the Rancho La Brea Tar Pits in Los Angeles right? I am sure that you have heard of them, if not seen them before in movies. Basically, what they are is a big much of petroleum and asphalt mixed with dirt and the like. Here is the wiki explanation: "The La Brea Tar Pits (or Rancho La Brea Tar Pits) are a famous cluster of tar pits located in Hancock Park in the urban heart of Los Angeles, California, USA. Asphalt (colloquially termed tar) has seeped up from the ground in this area