About
Certitude Cars publishes plain-English answers on what cars cost to own and how they work.
Who writes Certitude Cars
Andrew Rowan writes and edits Certitude Cars. His guides explain car ownership costs, fuel economy, specs, warning lights, insurance and registration in plain English, built from manufacturer owner’s manuals, EPA and NHTSA information and state agency guidance, and they say clearly when a mechanic, insurer or your state agency should have the final word. Questions and corrections are welcome through the contact page.
What we cover
The real cost of owning a car, fuel economy and MPG, what car specs mean, what dashboard warning lights signal, what drives insurance costs, and how car registration works.
How we write
Guides are researched from manufacturer owner’s manuals, EPA and NHTSA information, state motor-vehicle and insurance regulators and reputable automotive references. We explain each topic in plain language, avoid inventing figures, and say clearly when a mechanic, insurer or your state agency should have the final word.
Read our Editorial Policy for how articles are researched and updated.