Yes, to date there are about 50 retrofit companies in more than 30 countries: United States, Canada, Australia, and 13 in Europe in the United Kingdom, Germany, Italy, Belgium ... However, there is no European or international harmonization, which is completely illogical. This leads to ubuesque situations where you can drive in Europe as you like with your retrofitted car but if you move to another country in Europe, you can't with a car registration there. This is our next