First of all: Most planes dont run on diesel. And surely not commercial jet liners.

Then Virgin is just second with alternative fuels - the people at Airbus tried it out some days ago: http://www.greencarcongress.com/2008/02/a380-gtl-test-f.html

The german gov. isn't in any need to be caught at this. There is a highly official campaign for the introduction of a so-called "Federal Trojan" being pushed forwards by our minister of internal affairs.

Just a rough translation of the German chat log:
GM: Hi, I'm a Gamemaster. Excuse the disturbance, but would you have a moment to talk about your ticket regarding the gold limit?
Player: Hi!
P: Yes, I've got time.
G: So you reached the Gold Limit?
P: No idea
P: Is there such a thing?
P: I can't get money by mail or from trading anymore.
G: The message you're getting says it. Have you tried sending some money to other characters?
P: Yes, that works
P: I'm wondering about that strange number*typo here*
P: number *corrects typo*
G: Then you found a way around the limit. You provoked some rather astounded game master faces ;)
P: :)
P: A pity. Wanted to become an in-game millionaire
G: The strange number probavly comes from the money not being stored in a decimal format. But there I'm just wildly guesing...
P: That's what I thought as well.
G: Can I help you otherwise?
P: No, thanks. Now that I know that it isn't a bug. Thanks for the help.
G: Have a nice day then. Good luck at trading!
P: Thanks!

They already lost their credibility (if they ever had any) by introducing this legislation. If it isn't stopped, the MI will one day gain access.

The german Pirate Party (Piratenpartei, disclosure: I am head of PIRATEN NRW, the regional Piratenpartei in the federal state Northrhine-Westfalia) is fighting against it as is the NGO AK Vorratsdatenspeicherung, which just filed a class action suit against this legislation in the name of 25.000 people in front of the constitutional court. Data Retention will have no future in Germany.