Offering an environmentally friendly way to travel around the city, PlanetTran is an auto service that uses an all-hybrid fleet of vehicles. The fuel-efficient cars provide transportation to various locations in the Boston area, although the company’s primary service is to and from Logan International Airport. Rides can be scheduled over the phone or online, and receipts are sent via email to save paper. After the ride, the passenger’s credit card is charged based on hourly time, including tolls and airport fees. The company even tracks customers’ flights and adjusts pickup times if they are early or delayed.