Seasonal and Regional Gasoline Blends and How They Affect MPG

Seasonal and Regional Gasoline Blends and How They Affect MPG

Changing seasons seem to always bring about fluctuations in fuel mileage for gasoline powered vehicles. While variations in ambient temperature may result in a slight difference in fuel mileage, changes in fuel composition between winter and summer blends is the key contributing factor. These different blends are also the reason that fuel prices always seem to go up in the warmer, summer months – and you thought fuel companies were just greedier during vacation season.