Each zipcar replaces 15 private autosCAMBRIDGE, Mass., July 21 /PRNewswire/ -- Zipcar, the world's largest provider of cars on demand by the hour or day, launched the first-ever national Low-Car Diet. Beginning today, more than 300 participants will hand over the keys to their personal cars and commit to living one month without the use of their vehicle. Instead, they will utilize public transportation, increase walking and biking, and be given a Zipcar membership to access the vehicles when necessary. prnewswire
