i know they change something about the gasoline we get from the pump during the winter, but i forgot what it is
so ya, what do they change about it?
how does it affect our mileage?
and when does said change go into effect?
'07 Mazda Miata, 90k mi. '11 Honda CBR600RR, 18k mi.
'00 Honda Insight, '06 Honda CBR600f4i, '93 Mazda MX-3, '91 Honda Civic