Online This handy mileage log is designed for individuals or businesses to record and track their vehicle gas usages. It's perfect for maintenance, budgeting, bookkeeping or tax reporting purposes.Use this pocket-sized 5"x8" 120 pages mileage log book to track the car used, trip purpose, starting and end odometer readings for each trip. This makes a handy journal for commuters, truckers, couriers or uber driver.