I don't remember whether it was the Americans or the Europeans, but the idea of adding 15% gasoline to ethanol is excellent to make it easier to start the cold engine. Here, a few days a year are cold, we only have E100 at the gas stations. Only in the newer flex models have automakers been able to eliminate the gas tank for cold-start engines. With programmable injection you can choose to start cold without gasoline (pulsing the injectors), but on cold days (between 5 and 15ºC in my city is cold, kkkkkkk) was not efficient, requiring many attempts for the engine to run. In my car, problem solved with additional gas tank. I hope the option of using the E85 will be universal in Europe. In addition to polluting less, the engine gets more powerful.