I have just burned 3 tons of JET A recently, in 1h30 minutes, all by myself, in a plane with 160 seats, all empty.
this was for the base training (6 landings)in airbus.
and it s REQUIRED by the JAR.
then our politicians say to all of us to save fuel and buy cheaper cars, what a bunch of hypocrites!!!
Actually it is easier to reverse global warming by switching private car use to biofules or electric hybrids, than it is to certify a biofuel for aviation able to function at -40C without gelling or clogging fuel lines.
Another thought is if you took all the pax off a short haul 737 flight and gave them cars to drive the same distance they would produce 17 times more carbon emissions by private car for the same trip.
Aircraft actually save the planet.
As for a nuke Cessna, a bio-diesel Cessna is quite feasible and many European light aircraft now have certified diesel alternative engines.
If you really have a conscience about long distance air travel then pressure the EU parliament to bring back the CL-160 airship project with decent funding.
The CL-160 will fly 1,000 passengers 5000nm for a twentieth the fuel of a comparable 747 flight and can use bio-diesel because the airship will not reach FL350 where cold becomes an issue.
No we will not run out of jet fuel, but fossil fuel will; become increasingly unaffordable for private motoring.