Posts: 361
Joined: Thu Oct 03, 2002 1:15 am

Environmental Friendly Jets?

Tue Oct 29, 2002 1:10 am

How much fuel do the medium jets (734, 733, 737, 320, 319, MD 82, MD 87) use pr pax pr km and how much do they pollute?
Posts: 78
Joined: Fri Jun 22, 2001 5:52 am

RE: Environmental Friendly Jets?

Fri Nov 01, 2002 1:17 am

Take a look at www.aee.faa.gov/emissions/airindex.htm At least part of the answer is in there
Posts: 6435
Joined: Tue Mar 21, 2000 6:25 am

RE: Environmental Friendly Jets?

Fri Nov 01, 2002 10:51 am

A rough rule of thumb (but there are many variables): 50 seat-miles per US gallon (20 seat-km per ltr).

The fuel is for well over 99% converted to:
- carbondioxide
- water vapor
(the same as your lungs emit).

In addition small amouts of:
- hydrocarbons (soot)
- sulphurdioxide (doesn't smell good - in addition to hydrogen and carbon jet fuel contains roughly 0.2% sulphur)

And two very unstable and shortlived gasses:
- carconmonooxide (a killer gas)
- nitrogen oxide - often called NOX (not healthy either).

Emition profile is very much the same as a diesel truck or bus, except that in your country, Norway, and several other countries diesel fuel is by law fomulated to have a much smaller sulphur contents. Which makes diesel fuel somewhat more expensive to produce.
Always keep your number of landings equal to your number of take-offs
Posts: 1959
Joined: Tue Feb 06, 2001 5:56 pm

RE: Environmental Friendly Jets?

Sat Nov 02, 2002 2:16 am

LH consumes about 4.8 liters / 100 paxkm on the average

charter airlines (with more seats) are well in the 2.5-3.5 liter range


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