"MPG: Multi-Vehicle Fuel Efficiency Tracker" is a simple app for users to track their historical fuel economy (miles per gallon) every time they fill up their tank. The user can create a list of multiple vehicles and track them individually. At each fill-up, the user will enter A) date, B) mileage, C) gallons, D) total cost. Every time the view is loaded, the app orders fill-ups by date, calculates MPG for each 'trip', and calculates average MPG, average cost per mile, and total cost.

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