Eeyore wrote in
:



Mike Noel wrote:

The synthetic fuel is 15 to 20 percent more fuel-efficient

Pardon ? How exactly is one hydrocarbon fuel "more efficient" than
another ? Engines that are optimised to run on 100LL are AFAIK
unlikely to run any 'better' on anything else unless 're-tuned' and
I'd imagine that has associated certification issues. Sounds like
marketing twaddle to me !

Sez the planespotter.

Bertie