A swipe of the student ID card is all it will soon take for two-wheel transportation around the campus of St. Xavier University, Chicago,when the school rolls out an initiative designed to cut down on carbon emissions on campus.

In a few weeks, students will be able to rent bicycles for short periods of time to get from one side of campus to the other. Called the GreenBike system, it’s the same one used in Paris since last year. Students will swipe their campus card at a computerized bike rack, releasing one bike. The first 15 minutes of riding will be free, with each 15 minutes after that costing 60 cents.

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