Home | Intro | Rolling Resistance | Aero Drag | Engines | Comparisons | Summary | Visitors
Understanding Automobile Gas Mileage

A Complete Education for Everyone
Engine Parts

This is the web site on car gas mileage!  It will teach you everything about it, and answer many questions you may have, including:
  • What determines a car's gas mileage?
  • Can you explain city and highway mileage differences?
  • How does my car's engine work?
  • Why do large cars get poor mileage?
  • Why do some small cars get worse mileage than larger cars?
  • Do economy cars get worse mileage than similar versions 15 years ago?
  • How is mileage dependent on car weight?
  • Why is an aerodynamic drag coefficient important?
  • What are an engine's emissions comprised of?

New York City Taxis

CONTENTS

  1. INTRODUCTION
  2. DRAG      [Rolling resistance & Aerodynamic drag]
  3. ENGINES & DRIVETRAINS
  4. MILEAGE THEN & NOW
  5. SUMMARY
  6. VISITOR'S COLUMN

This site is written for all educational levels and all ages.  See the Visitor's column; it's where you can share your thoughts, experiences or ask questions to the author.