Which of the following driving habits can help you maximize fuel efficiency?

• Avoid speeding up and slowing down abruptly
• Regularly inflate your tires, get oil changes, and check filters
• Getting rid of extra weight in your vehicle
• All of the above
  Explanation:

  "Following are the things you can do to drive green: 1. Driving habits: Speed up and slow down smoothly. Drive at a steady average speed. 2. Maintenance: Keep your vehicle in good shape. Regularly inflate your tires, get oil changes, and check filters. 3. Weight: Get rid of extra weight in your vehicle. Clear out the trunk. Remove luggage racks from the roof."