Wikipedia suggests ~100 mpg/passenger [1]. As Schlappig has flown more than 400,000 miles, he's burned up about 4,000 gallons of fuel. That's a lot of fuel. It'

Wikipedia suggests ~100 mpg/passenger [1]. As Schlappig has flown more than 400,000 miles, he's burned up about 4,000 gallons of fuel. That's a lot of fuel. It's enough to heat a northeastern United States home for about eight winters [2]. But it's not that much fuel. A 30-mpg automobile will consume a similar quantity of fuel (gasoline, not jet fuel) in 120,000 miles of driving. [1] https://en.wikipedia.org/wiki/Energy_efficiency_in_transportation#Aircraft https://en.wikipedia.org/wiki/Energy_efficiency_in_transport... [2] http://www.eia.gov/forecasts/steo/tables/pdf/wf-table.pdf http://www.eia.gov/forecasts/steo/tables/pdf/wf-table.pdf