2. Positioning Statement for MDI Compressed Air Cars Sentence #1 For motorists all around the world who are striving to conserve cash and the environment , MDI's compressed air technology car is an achievement in the clean energy vehicles market that ensures that commuting costs remain affordable at under 4 cents per mile and lowers overall emissions . Sentence #2 Unlike other clean technology vehicles like electric cars or hybrids , MDI's compressed air technology produces minus pollution, refills for $2.2 dollars, and yields double the street mileage .