[DIYbio] Is synbio vanillin really more sustainable than pure-syn sources?

"Evolva say its synbio vanillin is a sustainable alternative to the
synthetic variety, but critics say the technology isn't palatable for
the environment"

http://www.theguardian.com/sustainable-business/2015/may/28/creators-defend-vanilla-flavour-made-using-synthetic-biology

As I know it, we get synthetic vanilla from lignin waste... the
knowledge of which makes all woody plants much more delicious-feeling
to me. If there is a lot of pre/post processing involved that the
synbio route would eliminate... what will this lignin waste stream
revert to? Simply being burned?

Maybe the synbio stuff /is/ using lignin waste as it's input, in which
case I hope they're collaborating with biomass-biofuel folks (JBEI for
example) who were working on lignocellulosic degradation.

Also, can my Diesel VW Jetta run on vanillin, that is slightly more
interesting than eating tasty things (at least it would seem to be
more interesting from a business perspective).

--
-Nathan

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