Hey if they can use plowborgs on land...
From Big Think:
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A Pennsylvania-based energy start up envisions fleets of tiny robots harvesting the sea for algae which could then be converted into biodiesel. The company, BEAR Oceanics, is currently crowd-funding to create self-sustaining robot farms which must be engineered to avoid boats or ships as they harvest. "Building a robotic farm would take an estimated $1,200 and 140 man hours. Such robots could end up churning out biodiesel for between 30 to 60 cents per gallon, said Rudy Behrens, an engineer at BEAR....MORE
Silicon Valley to Focus on Ag in Central Valley and Beyond
"Yup, I used to raise corn for ethanol. But then the topsoil blew away and I couldn't even get enough juice to run my tractor or get drunk on Saturday. Then this stranger came to town. Ordered something called a 'la-tay' and called himself a 'vee-cee.' Said he'd give me $20 million to come to Californee and herd algae. So we packed up our furniture in his little toy car and came west. Now I've got a regular bonanza of the slimy critters and the kids got shoes. Hain't looked over my shoulder back east since."...