Find-a-Car: FuelEconomy.gov is an Android application designed to assist users in making informed decisions when purchasing vehicles based on fuel efficiency. This free app provides official EPA fuel economy ratings for cars and trucks dating back to 1984, alongside fuel cost estimates and annual petroleum use calculations. Users can also access EPA greenhouse gas ratings and official NHTSA safety ratings, ensuring a well-rounded view of potential vehicle choices.

The app allows for personalization by enabling users to adjust fuel cost estimates based on individual driving habits. A unique feature includes the ability to scan QR codes from window stickers for quick comparisons between vehicles. Additionally, users can save their favorite vehicles for easy reference, making it a practical tool for anyone in the market for a fuel-efficient vehicle.