all right. we have jeff block standing in traffic. on a road in chicago. the great thing about jeff is not only does he not mind but he always has a story to tell that explains why he is standing in traffic and risking his life. i would assume, jeff, a lot has to do with low gas prices. take it from there. >> smoke belching vehicles passing by, and having us stan as close as we can humanly get to them, that's part of the story. the reason there's so many smoke-belching vehicles and 34.4 million people according to aaa will be driving. the most since the recession, and it's partly because gas prices are so low. take a look at the last five years, for example, you will find that gas prices have never been this low on a