by Robert Channick
Chicago Tribune
February 8, 2013
The 105th Chicago Auto Show, which opens Saturday at McCormick Place, will feature the latest high-tech innovations, screaming muscle cars and drool-worthy exotics.
But the biggest head-turner may be a small black-and-white number affixed to the windows of the impossibly polished vehicles — the estimated miles per gallon. After years of high gas prices, fuel efficiency is becoming as sexy as horsepower for many car buyers, and a priority for manufacturers.