Interested in a Fuel Efficient Car? Estimate how many months it may take to recover the out-of-pocket costs when buying a more efficient vehicle. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content FIRE Retirement This short, informative article teaches the basics of the FIRE movement. Caring for Aging Parents As our nation ages, many Americans are turning their attention to caring for aging parents. The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does.