While water has always been the base liquid for cooling an engine, it is not the best. In fact, just about every drawback or failure of a car's cooling system can be traced back to the water content. Water's boiling point is too low and overheating occurs when the coolant's temperature reaches its boiling point. The corrosion and electrolosis that eats through radiators and pumps are due to water's properties. The need to replace the anti-freeze every two years is because the anti-corrosion additives stop working and need to be replaced. If a leak appears or the radiator cap is loosened, the drop in system pressure suddenly lowers the boiling point. The coolant boils suddenly forcing hot coolant out of the system in a dangerous spray. Evans Coolant is WATERLESS. It is the only waterless coolant available and is patented. Most people have not heard of Evans because they are a small company and the cooling industry doesn't want a maintenance/failure free coolant.  Evans operates at the same temperature as a water-based anti-freeze (190-230F) but it boils at 370F. It won't overheat because it operates so far from its boiling point. It is non-corrosive so it doesn't damage metal parts. It also does not need the anti-corrosion additives that are in regular coolant so it never goes bad. It never needs to be changed, refreshed or added to regardless of age or mileage. It doesn't create pressure like water based coolants. With a 14 psi radiator cap (like is on your car now) Evans pressurizes only to 14 psi. If you open the cap when it's hot, it will relieve the 14 psi pressure, which isn't much. It doesn't gush out like with a water based coolant and so is much safer. Evans Coolant is quietly being used more and more by race teams, custom car builders, truck fleets, electrical generators, and OEM manufacturers. The world's fastest car Koenigsegg, Briggs CunninghamIII's Cunningham Lemans car, and Rotax aircraft all come from the factory with Evans Coolant in them. Darton requires Evans to be used in its largest small-block kits. They are converting new cars to Evans Coolant in VW, BMW, Pontiac, GM, and other dealerships in China. Jake Zemke won the Dayona 200 with Evans in his American Factory Honda race bike. Ferrari Formula one has bought over 300 gallons of coolant from Evans. Ty Davis sells Evans with his own label and uses it in his championship winning Zip-Ty Racing off-road bikes. You don't hear that racers are using Evans because Evans doesn't offer sponsorship money. I have been using Evans in my race motorcycles and other vehicles for years. I started selling it a couple of years ago and do everything I can to offer the best price and tech help possible. My ebay store is http://stores.ebay.com/Cooling-Solutions and you can find more information and lots of racing pictures there.