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Faced with longer waits at airports, you might be tempted to hop in the car and drive over the river and through the woods to Grandmother's house, or wherever you're celebrating Thanksgiving. But what about gas prices? Here's how to keep costs down.
DRIVE RIGHT, SPEND LESS
Drive smoothly. In our tests with a Toyota Camry, frequent starts and stops reduced mileage by 2 to 3 mpg.
Reduce aerodynamic drag. At highway speeds, more than half of the engine power goes to overcoming drag. Driving with a cartop carrier cut 6 mpg from our family sedan.
Slow down. Drag rises with speed. Slowing from 75 to 55 mph boosted gas mileage 33 percent in our sedan and in a large SUV.
Turn it off. Shut off the engine if you'll be idling for more than 30 seconds.
Use regular gas when possible. Think twice about premium even if the manual suggests it "for optimum performance." But if your car pings or knocks, use premium.