省油10招

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1 Avoid High Speeds As your speed increases, your aerodynamic drag increases in an exponential fashion. Driving 62 mph (100 km/h) vs 75 mph (120 km/h) will reduce fuel consumption by about 15%.

2 Do Not Accelerate or Brake Hard By anticipating the traffic and applying slow steady acceleration and braking, fuel economy may increase by as much as 20%.

3 Keep Tires Properly Inflated Keep tire air pressure at the level recommended by your vehicle manufacturer. A single tire under inflated by 2 PSI, increases fuel consumption by 1%.

4 Use A/C Sparingly When the air conditioner is on it puts extra load on the engine forcing more fuel to be used (by about 20%). The defrost position on most vehicles also uses the air conditioner.

5 Keep Windows Closed Windows open, especially at highway speeds, increase drag and result in decreased fuel economy of up to 10%.
  
6 Service Vehicle Regularly Proper maintenance avoids poor fuel economy related to dirty air filters, old spark plugs or low fluid levels.

7 Use Cruise Control Maintaining a constant speed over long distances often saves gas.

8 Avoid Heavy Loads Remove the sand bags from your trunk in the spring and pack lightly for long trips.
  
9 Avoid Long Idles If you anticipate being stopped for more than 1 minute, shut off the car. Restarting the car uses less fuel than letting it idle for this time.

10 Purchase a Fuel Efficient Vehicle When buying a new vehicle examine the vehicle's rated fuel efficiency. Usually choosing a small vehicle with a manual transmission will provide you with great fuel economy.