Søren Jensen. Pendlernet, Denmark

Since the beginning in 1997 more than 26,000 people have registered on the database; the current 9,000 registered users drive
about 200 million km per year, which would correspond to CO2 emissions of about 35,000 tons. Pendlernet has received positive feedback from more than 1,600 users who have used it to find commuting partners. It is estimtaed that the scheme has resulted in savings of 35 million km per year and thus a saving in petrol/diesel of about 2.5 million litres. Pendlernet is the world's first fully automatic car-pooling database.