Massachusetts gas prices
Massachusetts is one of the more expensive states for gas in the Northeast. High taxes and no in-state refinery capacity are the main drivers. All fuel is imported via pipeline and tanker, mostly from Gulf Coast refineries. The Boston metro area accounts for most of the state's demand.
Winter can indirectly affect gas prices here. Heating oil and diesel compete for the same refinery output, and New England winters are long. When heating oil demand spikes during cold snaps, it can tighten the overall fuel supply and push gas prices up a bit. The state also requires reformulated gasoline, which costs more to produce than conventional blends.
Price history
Why is gas expensive in Massachusetts?
High state gas taxes, no local refinery capacity, and the cost of shipping fuel to the end of the Northeast supply chain all add up. The state also requires reformulated gasoline year-round, which costs more to produce.
How does winter affect Massachusetts gas prices?
Indirectly. Heating oil demand surges in winter, and heating oil competes with diesel and gasoline for refinery output. Cold snaps that spike heating oil demand can tighten fuel supply and nudge gas prices up.
Is gas cheaper on Cape Cod or in western Massachusetts?
Western Massachusetts tends to be slightly cheaper because it's closer to pipeline terminals in the Albany area. Cape Cod and the islands are more expensive due to limited supply routes and seasonal tourism demand.