I know in reality its probably only going to be 64 mpg. Still happy with that.
My Diesel Yaris managed about 64 mpg on its fibometer but in reality may have been 60 mpg. Still quite impressive, albeit dirty diesel. So back in the day when diesel was cheaper than petrol in most EU countries
there wouldnt have been much difference in fuel cost alone.
I wonder if the readers for whom English is not their first language, realise 'fibometer' is not a real word. Its made up.
Fib means " a lie , typically an unimportant one "
We should have called it a porkiesmeter then every one would understand.
(Porkies = Pork pie, cockney rhyming slang for 'lie'. )