News and Trends

http://www.biodieselmagazine.com/articles/69376/biodiesel-industry-welcomes-rfs-court-ruling-on-2013-requirements

The U.S. Court of Appeals for the District of Columbia have declared the 2013 renewable fuel standard (RFS) requirements valid. 

The NBB announced the statement after a petroleum industry challenge to the 2013 renewable fuel standard requirements was denied. The case was brought by oil refiner Monroe Energy LLC, arguing that the 2013 renewable fuel standard were invalid. NBB together with the Environmental Protection Agency (EPA) defended the enforcement of the statutory RFS volumes in the advanced biofuel category.

"The court's decision today is only the latest in a long series of cases in which the courts have found that the RFS is a fair and reasonable program for achieving our national energy objectives, including promoting more advanced biofuel such as biodiesel," said Anne Steckel, National Biodiesel Board's vice president of federal affairs.

"The bottom line is that there was more than enough EPA-designated advanced biofuel available last year to meet the standards. The RFS is working, and we strongly encourage the petroleum industry to get on board. There is plenty of room for fossil fuels and renewable fuels in the United States, and consumers will be better off with a choice" added Steckel.


http://www.biodieselmagazine.com/articles/59746/originoil-catalina-sea-ranch-to-collaborate-in-research-program

OriginOil Inc. announced its recent agreement to a collaborative exchange of equipment and information with the Catalina Sea Ranch, the first offshore shellfish ranch in U.S. federal waters. OriginOil shall provide Catalina Sea Ranch its Electro Water Separation Algae Model 12 system, a high-speed, chemical-free process to clean up large quantities of water. The Catalina Sea Ranch will use it to treat incoming seawater and harvest algae to feed its shellfish nursery and selective breeding program. In return, it will provide data on the efficiency and use of the machine, and will allow OriginOil access to its nursery for field research.

The operations will be monitored by several institutions specializing in marine ecology and spatial planning which will provide science-based data for evaluating any environmental and social impacts from the 100-acre shellfish ranch.

In January, the California Coastal Commission unanimously approved Catalina Sea Ranch's application for a 100-acre shellfish farm. This was one of the few supportive policy measures for aquaculture enacted by the U.S. state government in recent years.


http://www.biodieselmagazine.com/articles/64926/algae-cultivation-biodiesel-project-to-be-demoed-in-portugal

Biotechnology experts have started to build a one-hectare pilot unit for the production of microalgae in Portugal. The pilot site will include fermentation units, tubular photobioreactors and raceways. This demonstration pilot unit is one of the milestones expected from the Integrated Sustainable Algae (InteSusAl) project, which aims to optimize production of algae by both heterotrophic and phototrophic routes. It will be located in the municipality of Olhão, in southern Portugal.

"InteSusAl's demonstration unit comes in a time of extreme importance to ensure Europe's energy supply security. We are glad that the European Commission is making it possible to demonstrate this new approach to produce microalgae biomass. We hope that our results will attract attention from investors interested in financing a 10-hectare site to produce microalgae in a sustainable manner on an industrial scale" said Neil Hindle, the InteSusAl project coordinator.

The project will be assessed for its sustainability through a life-cycle analysis that will consider both economic and environmental implications. Demonstration trials are expected to begin October.

Research and Development

http://www.biotechnologyforbiofuels.com/content/7/1/68/abstract

Soybean leaf-roller (Archips micaceanus), a member of the tortrix moths, has recently been found to cause damage to Jatropha curcas, one of the lead plants in the field of biofuels. Chemical pesticides are effective against the moths and larvae but also affect non-target, beneficial insects. Previously, Bt-derived biological insecticides were proven capable of controlling other totrix moths on other crops. The effectiveness of Bt on the other tortrix moths suggests cry gene may be used to control A. micaceanus on Jatropha plants.

Transgenic Jatropha curcas expressing Cry1Ab/1Ac were generated. The gene was highly expressed in leaves of transgenic Jatropha. Insecticidal bioassays using leaf explants of the transgenes resulted in 80-100% mortality of A. micaceanus larvae, 4 days after infestation. These results reveal the effectiveness of the Cry1Ab/1Ac protein expressed in Jatropha curcas in controlling the activity to A. micaceanus. The generated transgenic J. curcas line can now be used for breeding of insect resistance to totrix moths.


http://www.aka.fi/en-GB/A/Academy-of-Finland/Media-services/Releases1/Scientists-employ-new-methods-to-help-convert-bio-oils-into-fuel/.

Wood-based bio-oil holds great promise as a source of low-carbon biofuel with less sulfur and nitrogen oxides. However, converting these bio-oils into more highly refined products is faced with many challenges. In-depth knowledge and research on the chemical composition of bio-oils are imperative to address these challenges. High-resolution mass spectrometry is an advanced analytical technique that could very well be the tool for chemical composition analysis for these bio-oils, as revealed in a recent research funded by the Academy of Finland.

Bio-oil is produced through a process known as pyrolysis, which involves heating biomass in the absence of oxygen at a high temperature. The research team has already studied bio-oils from biomass sources such as pine, birch and willow. A high-resolution mass spectrometry technique, the Fourier transform ion cyclotron resonance (FT-ICR) was found to be very effective in identifying wood extracts, such as fatty and resin acids as well as degradation products of sugars and lignin. It also captures how the bio-oils from biomass sources transform throughout the refining process.

Professor Janne Jänishe of the Department of Chemistry at the University of Eastern Finland explained that knowledge of the chemical composition of these bio-oils would make it easier to upgrade them in the future.


http://link.springer.com/article/10.1007/s11248-014-9786-z/fulltext.html

Cellulose, the most abundant biomass, is valuable to the production of biofuels. However, the plant cell walls, which contain the cellulose, are physically strong and biochemically stable. Previous studies have tried to solve this problem including the utilization of rice gene EXG1, which encodes exo-glucanase. The gene was overexpressed resulting in enhanced saccharification ability of the rice straws. However, there were also various developmental defects present due to the modified cell wall.

For the study, the same EXG1 gene was expressed in transgenic plants but was under the control of the STAY GREEN (SGR), a senescence-inducible promoter. The transgenic plants showed enhanced saccharification efficiencies after senescence. Meanwhile, no significant difference was observed on saccharification efficiencies before senescence. Neither morphological abnormality nor sterility were present in the EXG1-expressing transgenic plants.

These results indicate that expression of cell wall degrading enzymes such as cellulase through a senescence-inducible promoter is capable of enhancing the saccharification ability of biomass without affecting plant growth.

Energy Crops and Feedstocks for Biofuels Production

http://news.liv.ac.uk/2014/04/30/feature-developing-sustainable-biofuels/

Biofuels have the potential to power cars and generators with energy from plant biomass. However, biomass sources for biofuels start with food crops. This creates a conflict of interest with the global food security crisis. Hence, searching for alternative plant biomass sources is a must. Now, the search for alternative sources of biomass has led to agave.

A PhD student at the University of Liverpool, Phaitun Bupphada from Thailand, is studying the plant Agave sisalana as a biofuel plant under Dr James Hartwell. Agave brings a number of favorable characteristics for use as a fuel, as it contains large amounts of sugar and cellulose, and grows productively in seasonally dry areas. It can also be grown in semi-arid conditions unsuited to food crops and is already grown for fiber in several countries. Agave also has the Crassulacean Acid Metabolism (CAM) pathway of photosynthesis. This means that it loses a lot less water during photosynthesis.

Phaitun has sequenced the RNA from agave in hopes of gaining an understanding of the genes used for CAM photosynthesis. In the long-term,  information on these genes would allow development of agave with improved biomass suitable as a feedstock crop.

Phaitun came to Liverpool as a result of the partnership of the Agricultural Research Development Agency (ARDA), Thailand and the University of Liverpool. He is in collaboration with Liverpool's Centre for Genomic Research.


http://www.rdmag.com/articles/2014/04/pass-mustard-why-carinata-taking-root-biofuel

There is a new crop joining the growing number of biofuel biomass sources. Carinata or Ethiopian mustard (Brassica carinata) is a non-food, leafy, energy feedstock crop from Ethiopia which yields oil that can be refined into fuels that meet the specifications of petroleum-based fuels. It is said that biofuel from carinata would work in ground and air transportation engines without engine modifications or blending. To date, carinata has demonstrated agronomic success across commercial sites and farms in the Canadian and the United States.

Carinata has a significantly higher efficiency than the next best performing oilseed in existence today. This means that more fuel can be produced per acre on semi-arid lands than any other oilseed today. In 2012, the world's first civil aviation of the NRC Flight Research Laboratory was powered by 100% biofuel from carinata.

Aside from biofuel biomass, carinata oilseeds can also be a source of feed for cattle markets. After extracting the oil, the residual mass can be ground into a co-product meal. This adds to the overall crop value proposition. When the meal's full value is achieved, and at scale, the cost of producing biofuel with carinata is cost-competitive for energy customers.

Biofuels Processing

http://www.biotechnologyforbiofuels.com/content/7/1/62

Microalgae are organisms rich in potential biofuel substrates such as lipids and triacylglycerols (TAGs). These algae are also capable of biosynthesizing small hydrocarbons, which can be used as liquid fuels. These liquid fuels can be used with more versatility and were made through a more direct approach than TAGs. However, certain TAGs from microalgae biomass can be used as substrates for different kinds of liquid fuels.

The  isolation, identification and processing Stichococcus bacillaris strain siva2011, a strain of hydrocarbon-producing alga, was studied and evaluated by the researchers from Arkansas State University. The S. bacillaris strain siva2011 was scaled-up in an 8 L bioreactor with 0.2% CO2 and produced a significant amount of biomass at 3.79 g/L dry weight on 6 days in the bioreactor. It also produced three kinds of hydrocarbons. 

The TAGs and hydrocarbons produced by this promising, new, oil-rich microalga S. bacillaris strain siva2011, can be potential candidates as substrates for jet fuel or biodiesel.


http://www.biotechnologyforbiofuels.com/content/7/1/67

Cork boiling wastewater (CBW) is a toxic and organic effluent produced by the cork industry, which is a serious environmental hazard. Similar to other agro-forestry waste materials, CBW contains potential high value by-products useful for industrial applications. There is no documented research, however, on anaerobic treatment or valorization performed with this effluent. Recently, a group of researchers from Laboratório Nacional de Energia e Geologia in Portugal aimed to use anaerobic digestion to convert CBW into an energy carrier gas and a source of valuable molecules.

A methane yield of 0.126 to 0.142 m3 per kg chemical oxygen demand (COD) was registered by CBW in studies carried out in batch flasks at 37°C. There was an observed reduction in ellagic acid content and decrease in CBW viscosity. This allows the ultrafiltration of the effluent. There was also a conductivity increase, which will provide cheaper conditions to completely remove the remaining organic load, using electrochemical techniques as post-treatments. The additional production of valuable and useful molecules is another interesting aspect offered by anaerobic digestion.

By taking advantage of the potentials of the anaerobic digestion process, a new methodology to detoxify wastewater was developed.