High-mileage oil isn't some secret elixir reserved for 20-year-old Honda Civics with a mystery stain on the headliner and 3.5 working speakers. It's real. And it serves a purpose — mainly for engines ...

Despite the rise in popularity of electric vehicles (EVs) in recent years, for now, internal combustion engines still rule the roads. Humanity relies on these engines for everything from personal ...

High-mileage oil isn't some secret elixir reserved for 20-year-old Honda Civics with a mystery stain on the headliner and 3.5 working speakers. It's real. And it serves a purpose -- mainly for engines ...