Affordable Concept Mariner Water 
Green Car Congress
MARCH 3, 2021
physically moving the macroalgae between deep nutrient-rich water at night and shallow depths within the photic zone during the day to optimize growth. 13 C values suggesting that the depth-cycled kelp were not nitrogen-deficient and assimilated nutrients from deep water. The researchers used a depth-cycling approach—i.e.,
Green Car Congress
NOVEMBER 25, 2015
Marine BioEnergy, Inc. Part of the gas can also be used to produce the hydrogen (by steam reforming and water-gas shift) needed to upgrade the biocrude via hydrotreating. The concept proposes an economical grid for attachment and access to nutrients, making it possible to farm kelp in the extensive regions of the open ocean.
Cars That Think
DECEMBER 21, 2023
Last January, in the waters off Cebu City in the Philippines, researchers first deployed a huge flexible ring seeded with seaweed and spanned by spokelike ropes and tubes. Every nightfall, cranks mounted on a floating platform lower the ring 25 meters below the surface to expose the seaweed to cooler, more nutrient-rich water.
Green Car Congress
AUGUST 20, 2011
Marine classification society ABS has issued its first Approval in Principle (AIP) for a new concept renewable energy design in which a moored spar uses ammonia in a closed-cycle process to produce electrical power for a commercial utility grid. —Barry Cole, OTI’s Executive Vice President and Director of Technology Development.
Green Car Congress
DECEMBER 16, 2016
ARPA-E announced up to $25 million in funding for the MacroAlgae Research Inspiring Novel Energy Resources (MARINER) program ( DE-FOA-0001726 ). The deadline to submit a Concept Paper for MARINER is 5 pm ET, 14 February 2017. The deadline to submit a Concept Paper for MARINER is 5 pm ET, 14 February 2017.
Green Car Congress
AUGUST 31, 2022
The concept is based on proven floating production, storage and off-take technologies combined with an e-control system capable of balancing renewable electricity feedstock through a fully integrated PEM and Haber-Bosch system. Green hydrogen is produced by pumping seawater onboard, purifying the water and feeding it to electrolyzers.
Green Car Congress
JANUARY 25, 2011
In response to a congressional directive for a study on alternative and synthetic fuels, the US Department of Defense asked RAND to analyze whether alternative fuels can meet the needs of the nation’s military in a climate-friendly and affordable manner. Opportunities to Produce Alternative Fuels with Lower Greenhouse Gas Emissions.
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