("Peter R." wrote)
I feel your pain. Here in the northeast US, many airports are over the US
$5. mark, with several of the largest and busiest at or over the $6 mark.


Jet-A
Diesel
Waste grease

http://www.greasecar.com/faq.cfm
click the profiles on the right.


Montblack
Toyota has a 1.4 D-4D (All-Aluminum) diesel car engine in Europe.