A. The HyCO 2A system is a simple technique to vaporize some of your gasoline using an evaporation principle. The vapor gasoline assures reliable and efficient combustion in your engine. A Basic Kit is sometimes available.
The HyZor Technology book tells you how-to-build an onboard electrolyzer (hydrogen generator) that will do an excellent job of increasing your combustion efficiency. A HyZor Basic Kit is sometimes available. Here is a chart to compare the ER HyZor and the HyCO 2A techniques.