Articles by Todd Hettenbach

350 million — number of pounds of smog-producing chemicals (nitrogen oxides and volatile organic compounds) released by planes landing and taking off from U.S. airports in 1993 200 million to 600 million — number of gallons of wastewater created each year from airplane deicing 219 — number of volatile organic chemicals found in the air around Chicago’s O’Hare Airport 5.6 — number of miles a passenger could travel in an intercity bus using the same amount of energy it would take to move her one mile in a commercial jet 1.5 — number of miles a passenger could travel in a commercial jet using the same amount of energy it would take to move her one mile in a single-occupancy car 30,000 — number of flights completed in the U.S. each day 149 — percentage increase in U.S. air travel (paying passenger miles) on major commercial airlines from 1979 to 1999 85 — percentage expected increase in U.S. air travel from 1999 to 2020 10 — approximate number of gallons of crude oil required to make one gallon of jet fuel 77 — number of gallons of jet fuel needed for a person to travel from New York to Los Angeles on a commercial... Read more