You knew it was coming, didn't you? Summer is here, and gas prices are going up, close to $3 a gallon in many areas. I pretty much knew it was going to happen, which is one reason I bought a flex-fuel Ford this spring, and have been running it on E-85 ethanol. Not only is E-85 selling at the pump in my town for $1.99 a gallon, it got me an unexpected perq over the weekend. My fiancee and I went shopping at a new grocery store in her neighborhood in Chicago, and were thrilled to pull into the parking ramp and see an open spot--right in front of the elevator--reserved for alternative fuel vehicles. I pulled in and parked, only to be stopped by the security guard the second we got out of the car. "You can't park there," he said. "It's for...