VTT says that it conducted the study because many Finnish people frequently claimed that fuel consumption is significantly higher with E10 than with E5 thanks to ethanol's lower octane rating.

Drivers have been warned over classic car fuel becoming more rare in the wake of a Labour Party government ban on petrol and diesel from 2030. On what will happen to classic petrol cars after 2035 ...

However, they warned supplies of the E5 fuel commonly used in older vehicles may be more difficult to secure as the years drag on. Parkers explained: “Nothing. They’ll carry on running as they ...