Rules of the Road: Understanding Emissions Laws

It's probably safe to assume by looking at the writing staff and reading the comments from this site that more than a few Jalopniks are driving some slightly used vehicles of various vintages in various forms of disrepair. It's in this spirit that we take a deeper look at how emissions laws work, why the exist and… » 11/30/07 2:45pm 11/30/07 2:45pm