There is no greater concern among pilots and airplane owners today than the cost of fuel. Prices vary widely from airport to airport, but $5 is often on the low end and $7 a gallon is not the top. And in many instances jet fuel costs more than avgas, a reversal of traditional pricing. Fuel costs for most airplane owners have doubled in the past year and nobody can predict future trends, but higher prices sure seem more likely than lower.
What Is the Most Fuel-Efficient Airplane?