So what's holding this up from going mainstream? I've been reading about this algae-to-fuel thing for several years now, but it seems most people just talk about it and nothing is done. I hope this goes mainstream soon.

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2004 VW Jetta TDI (manual)

Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL