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From this project, they built a 2-acre system with over 6,000 photobioreactors and they were able to operate 4,000 of these for over 500 days. While this project made significant progress towards large-scale algal biofuel production, the 2015 report from the Department of Energy notes that it is "unclear whether closed photobioreactors will ...
A diesel cycle engine can be as much as 40% to 50% efficient at converting fuel into work, [2] where a typical automotive gasoline engine's efficiency is about 25% to 30%. [3] [4] In general, an engine is designed to run on a single fuel source and substituting one fuel for another may affect the thermal efficiency.
73.40: 105.10 (3) Grams of CO 2 equivalent released per MJ of energy produced, includes indirect land use changes. [22] Estimated payback time for greenhouse gas emission [20] 17 years (4) 93 years (4) Brazilian cerrado for sugar cane and U.S. grassland for corn. Land use change scenarios by Fargione et al. [21] Flexible-fuel vehicles produced/sold
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727–870 gal/acre 87%–96% 9 13 [94] [95] Long-season annual grass. Used as feedstock for most bioethanol produced in Brazil. Newer processing plants burn residues not used for ethanol to generate electricity. Grows only in tropical and subtropical climates. Miscanthus: 7300 L/ha, 780 gal/acre 37%–73% 5 9 [96] Low-input perennial grass.
Forty Acres may be: 40 Acres, the 1999 release from Caedmon's Call; Forty acres and a mule, a term for compensation that was supposedly to be awarded to freed slaves after the American Civil War; RKO Forty Acres, a former film studio backlot; Forty Acres is the nickname of the original "College Hill" located within the Campus of The University ...
The 40 Acre League's Jade Stevens sits beside Lake Putt, where the league recently purchased 650 acres. The land will be adapted for recreation and minority-owned small outdoor ventures in ...
Specific energy is energy per unit mass, which is used to describe the chemical energy content of a fuel, expressed in SI units as joule per kilogram (J/kg) or equivalent units. [1] Energy density is the amount of chemical energy per unit volume of the fuel, expressed in SI units as joule per litre (J/L) or equivalent units. [2]