MPG and MPGe are not the same bill
Understand the difference between fuel efficiency, energy equivalence and the price of driving an electric car.
Read the field noteFIELD NOTES
Understand the number.
Short explanations for better comparisons and more realistic budgets.
When does a hybrid pay for itself?
Use an explicit purchase premium and realistic energy savings to estimate a simple fuel-only payback period.
Read the field noteWhy your MPG differs from the label
Use EPA ratings as a consistent baseline, then replace them with measured consumption for your own budget.
Read the field noteWhy gallons per 100 miles makes savings clearer
Translate MPG into fuel used over a fixed distance to compare improvements without the MPG illusion.
Read the field noteHome and public charging: compare the effective price
Build an electricity-cost estimate that reflects where you charge and separates per-kWh prices from extra fees.
Read the field noteHow to combine city and highway MPG correctly
Use fuel consumed over each part of a journey instead of taking a simple arithmetic average of MPG.
Read the field note