Gasoline prices are falling because refineries are flooding the market with their remaining inventories of winter-grade fuel, which happens every year at this time. The slight downward trend should continue for a couple of weeks. Refineries begin shipping summer-grade fuel on March 1st. After then, motorists can expect to see prices turn upward again.

Gas prices dropped at a slightly slower pace than the prior week, which can be attributed to level crude oil prices and the increased demand over the holiday weekend. However, analysts tell us there is still some room for prices to drop in the coming weeks.

Gas prices in most areas began heading back up on Monday after dropping for about three weeks. Traditionally, Southern California has experienced gas price spikes during the spring, and oil industry analysts believe this could be the beginning of another one.

Californians use 2 million gallons more of fuel every day than we produce in the state. Oil companies have to buy gas from other sources just to keep even with demand. If every motorist were to save two gallons every week, that would put our demand more in line with our state production.

Investors have been climbing a wall of worry because of uncertainties about political stability in Iraq and saber-rattling in Iran. Those worries have sent crude oil futures to record levels and gasoline has followed.

In the last couple of days, prices have been going up by 2 or 3 cents in a 24-hour period. This is likely the same type of rapid price increase that has happened in Southern California every spring of this decade.

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It's likely that increases will continue for at least the next few weeks.

The relationship between supply and demand is relatively balanced in California, so normally we should see stable prices. However, speculators in oil and gasoline markets have kept prices high, and that has filtered down to local gas pumps. The trend for higher gas prices is expected to continue for the next several weeks.