Originally Posted by pogonation

Just came across this article which I found very interesting. Thai is to be the first airline to operate a commercial flight field by biofuel.

I never knew using biofuel was as easy as this. I always expected that if it were possible then the aircraft would need to be redesigned etc. however it appears it is as simple as filling up the tank.

As well as not using up fossil fuels, I wonder if biofuels are a cheaper alternative?