Discover the top fuel-efficient used cars with real-world MPG data. Expert analysis of Toyota Prius, Honda Civic HF, and Ford Fusion Hybrid, plus diesel options, maintenance tips, and avoiding MPG traps. Save money with smart fuel-sipping choices.

Master road trip budgeting with our gas mileage calculator guide. Learn how to estimate fuel costs accurately, compare top calculator tools, and discover 10 MPG-boosting tips for stress-free travel.