gas pays for itself
the logic: Use only the best gas and your car will need fewer
tune-ups and get better mileage, thereby paying for those
cents per gallon.
Yes, says Martin: "The
car runs more efficiently, burns better. With today's computers
and everything being electronic, the better the ignition point,
the better the fuel economy.
"Plus the car has
less chance to knock and make noise. I run nothing but high
test in everything I own."
Nonsense, counters Duchene:
"The difference between 87 and 93 octane is so insignificant
that you will realize neither better mileage nor fewer maintenance
bills by buying supreme. It makes no difference unless the
car is supercharged or it is absolutely specified that it
needs higher octane.
"Buy the cheapest
-- unless you're in Mexico, where the cheapest is closer to