“But then you are in the area for 33 percent longer and since most cars are less efficient at lower speeds, then most likely the emissions actually increase.”
Another commenter, using the handle Rabirius, said: “One of our vehicles has averaged 42.7mpg over the past 2,046 miles.
“Since being forced to use E10 the mpg has been 35.1 over the past 1,296 miles with exactly the same use profile.
“It’s nothing but a con. Nobody voted for this nonsense and blatant dishonesty.”