The Driver, Before Starting The Motor, Must Take The Test In A Few Seconds Otherwise The Motor Will Not Start. The Blood Alcohol Level Is Measured And Transmitted To A Box (Black Box) Already Installed In Many Vehicles And Soon To Be Obligatory Under European Union Law The Data Collected By The Black Box Will Therefore Be Managed In The Interests Of Road Safety In Several Ways Not Covered In This Short Presentation For Reasons Of Confidentiality But Found In The List Of Claims Contained In The Patent Itself. It Should Also Be Noted That The Invention In Question Has Amply Overtaken The State Of The Art Of Previous Patents Developed By Saab And Volvo. Etilife Will Also Be Manufactured And Marketed In A Kit/Aftermarket Version For Vehicles Already In Circulation