Time is short. Only two windows of urban concept racing time remain, and though Louisiana Tech's last run in its blue car jumped the score from 173 miles per gallon up to 251, they still lag behind leader Mater Dei High School of Evansville, Indiana. So it's time to pull out all the stops. In the "garage," Tech crew members count down the time until they must be back out on the track. In the waning minutes, crew member Beau Downey tells me all they can do to try to close the gap on the MPG leaders is streamline how air flows around the car. First, he says, they're trying to smooth out the car's undertray. While the overall carbon fiber body cuts through the air nicely, he thinks the air coming under the car gets caught and causes drag.
Louisiana Tech has sheets of plastic they brought down in ...