A (trade-in mileage) can be constituted-of-or-filled-with some mpg.Logical formLearned from2 sentences. A car may average some mpg.Logical formLearned from2 sentences. A (fuel economy rating) can be a mpg.Logical formLearned from2 sentences. A vehicle may get some mpg.Logical formLearned from2 sentences. Gains can be in (mpg ratings).Logical formLearned from2 sentences. (Passenger cars) may average some miles some mpg.Logical formLearned from2 sentences. A four-cylinder engine may be rated at some mpg.Logical formLearned from2 sentences. Minivans may get some mpg.Logical formLearned from2 sentences. An (industry fleet average) can be constituted-of-or-filled-with some mpg.Logical formLearned from2 sentences. Some percent can be above some (model year requirement) of some mpg.Logical formLearned from2 sentences. Some (model year requirement) may show some mpg.Logical formLearned from2 sentences. A hybrid can be by some mpg.Logical formLearned from2 sentences. A hybrid may deliver some mpg.Logical formLearned from2 sentences. A system may boost (fuel economy) to ratings of some mpg.Logical formLearned from2 sentences. Some mpg can be with a manual.Logical formLearned from2 sentences.