TripAlyizer assists you in saving gas at the pump by analyzing your driving habits giving you an efficiency score. TripAlyizer takes advantage of the unique features of the iPhone 3G, utilizing the phones GPS, speaker and accelerometer to determine speed, direction, distance traveled, cost per trip, time spent, carbon foot print and drive efficiency of each trip. Use TripAlyizer to not only track your mileage and fuel usage but also track your CO2 emissions for each trip. This new version also comes equipped with text to speech capabilities informing the driver of current status.TripAlyizer takes into account your driving speed, your rate of acceleration, your total idle time, total time spent within your cars "sweet spot" and numberof stops to measure your efficiency. Its believed that one can save anywhere from 20 - 30% by simply improving driving habits and obeying traffic rules and TripAlyizer helps you achive this. This application also provides a means to store your car information, like Mileage, VIN number, scheduled maintenance, tire pressure, Insurance information e.t.c. With TripAlyizer you can:-Store all important car information -Use this app to measure how efficient a driver you are and improve your green driving techniques. -Record how much you fill up at the pump.-Calculate your MPG-Estimate your current speed and heading TripAlyizer also comes with a fuel tracker to keep track of how much you spend at the pump .i.e. number ofgallons pumped, cost per gallon, car mileage, e.t.c.