The current record for the 'Eco-marathon' stands at 12665 mpg-US apparently!... that makes 322.5 look like garbage, no?
Do you suppose today's record holder has a technology that has any real similarity to this so called 'wick' carburettor?
... after all, there's a world of difference between what is possible and what is practical... and there's almost never a
magic bullet solution.
Your best bet with this thread is to concentrate on finding out why you Focus takes so long to warm up properly.