How can you achieve maximum fuel economy in a vehicle with a manual transmission?

• Shift through the lower gears smoothly and quickly.
  Explanation:

  "To maximize fuel economy in a manual transmission vehicle, it is best to shift through the lower gears smoothly and quickly to avoid excessive fuel consumption. Keeping the engine at lower RPMs and shifting to higher gears at the right time helps improve efficiency."
• Accelerate aggressively before shifting to a higher gear.
• Stay in lower gears for longer periods.
• None of the above