Gas prices at record levels for Labor Day weekend

Of the total cost of gasoline, 65 percent comes from the price of crude oil. Of the remainder, 15 percent comes from refining costs and profits, 8 percent comes from distribution, marketing, retail costs, and profits, and 12 percent comes from taxes. The cost of crude oil, and thus the price at the pump, is influenced by a number of outside factors.

Real journalists. Real journalism. Subscribe to The Boston Globe today.