Designed & Manufactured in the EU, CE Certified & Fully EU Compliant, ourinnovative engine carbon cleaner, The Engine Rejuvenator uses the latest inhydrogen Gas technology to remove the carbon build-up from INSIDE theengineThe system works by using ordinary tap water to create hydrogen & oxygenwhich then pass through the air intake of the engine and out through theexhaust system as a gas, helping to remove the excess carbon (that builds upover time), from the internal components of the engine (as well as externalcomponents such a... read full review »