Airlines managed to fill about 72.83 percent of seats on flights compared with a load factor of 68.65 percent in August 2011.

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In the first stage, Air Polonia wants to achieve a load factor - a profit benchmark showing the percentage of paying passengers per seat flown -- of above 40 percent on foreign flights and 70 percent on domestic routes.

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Assuming a 35% load factor, the turbine can produce electricity at 4 to 7 cents a kilowatt-hour.

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Increased traffic came with a 1.8% jump in capacity and a slightly lower load factor, at 86.4%.

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After all, once you load everyone into the car, agree on a restaurant, wrangle the kids orders, etc. the convenience factor is wiped away.

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