The antifreeze – or coolant – in the engine of your petrol-powered vehicle is somewhat like the air humans breathe. It’s taken for granted until there isn’t any, then bad things happen. Engines seize, ...

I used to recommend changing coolant every 30,000 miles or three years. But as coolants and engine technology continue to improve, I’ve softened my position on coolant changes. Assuming a long-life ...

Proper cooling is critical to any engine. Without some way to remove the heat created during the combustion process, the engine will quickly become a lump of scrap metal. But today's coolants provide ...