Avis gauged me, increasing my bill by 15%. I returned the car from filling it across the street. "7/8s full, " they said. Ten bars on the meter and the last one was half down. With hundred degree weather, gas expansion and all it might be 1/20 down. A half gallon max. I was charged for two gallons at 7.99 a gallon. "You want me to top it off, " I asked, "at risk of inhaling toxic fumes?" I was warned they charged an exorbitant amount if the tank wasn't filled. But filled they still charged me for two gallon... read full review »