In general, ethanol is considered to be healthier for the environment than gasoline. Ethanol-fueled vehicles have lower... moreIn general, ethanol is considered to be healthier for the environment than gasoline. Ethanol-fueled vehicles have lower carbon dioxide emissions and the same or lower levels of hydrocarbons and nitrogen oxides.
More often than not, selection is based on price, availability, and manufacturer recommendations. Depending on the region of... moreMore often than not, selection is based on price, availability, and manufacturer recommendations. Depending on the region of your country, you may not even be able to find regular gasoline that isn't available.
Ethanol can quickly dry out and destroy rubber fuel system components, including gaskets and hoses. Some are designed for... moreEthanol can quickly dry out and destroy rubber fuel system components, including gaskets and hoses. Some are designed for ethanol, but most are not, and ethanol concentrations as low as 15% destroy them quickly. This means there is no E15 in your conventional vehicle.