Sentences with phrase «than other biofuel»
Algae production consumes more energy, has higher greenhouse gas emissions and uses more water than other biofuel sources, like corn, switch grass and canola, Clarens and his colleagues found by using a statistical model to compare growth data of algae with conventional crops.
https://www.scientificamerican.com/ Not exact matches
Cheaper than other vegetable oils, another use for palm oil is as a biofuel.
If biofuels are to free us from rising prices at the pump and rising sea levelsthey must be produced from agricultural and urban wastes rather than corn, soy, and other food crops.
«We estimate that this biofuel would cost the airline industry $ 5.31 / gallon, which is less than most of the reported prices of renewable jet fuel produced from other oil crops or algae,» said Deepak Kumar, a postdoctoral researcher at Illinois, who led the analysis.
One of the major problems with biofuels that algae could solve is space, since algae can yield as much as 100 times more fuel per unit area than other so - called «second generation» biofuel crops (e.g. non-food crops or non-food waste parts of food crops).
One of the studies Tim has referenced basically concludes that the only thing policymakers can do is work on the assumption that biofuels, at this moment in time, are worse than petroleum fuels because of the future risk of land clearing and other GHG emission increases.
While biofuels from crops, grasses, wood, agricultural residues and other materials emit less carbon than fossil fuels over a crop - to - vehicle life cycle, recent studies have questioned the availability of material to make fuels on a large scale.
Using corn crop residue to make ethanol and other biofuels reduces soil carbon and can generate more greenhouse gases than gasoline, according to a study published today in the journal Nature Climate Change.
Dutch airline KLM has completed a fifth jet biofuel test flight — and the first with passengers other than flight crew.
«In looking for biofuels microbes in the cow rumen, we found that Prevotella bryantii, a bacterium that is known to efficiently break down (the plant fiber) hemicellulose, gears up production of one gene more than others when it is digesting plant matter,» Cann said.
In contrast, the grasses and other flowers and plants that grow naturally when such lands are left fallow — species such as goldenrod, frost aster, and couch grass, among others — can deliver roughly the same amount of biofuel energy per hectare per year if fertilized, yet also reducing CO2 by more than twice as much as corn.
Andy, you have given many openings for topics other than climate change and today's post on biofuels and yesterday's on earthquakes and schools certainly gets off the main thread.
Biofuel and diesel auto initiatives seem to be doing more harm than good because there are a few other kind of important issues to consider.
Although some have acquired modest solar businesses and others have dabbled in biofuels, the expenditures for these lower - carbon sources are often less than 3 % of company budgets.
This means that an energy / look at each source in more detailed And you are in charge of that... Coal Nuclear energy Biofuel — Other than Ethanol Ethanol and Natural gas Wind energy Hydroelectric and Geothermal Wave and Tide power Solar /
Since going into operation in 2009, ARPA - E, as it is known, has provided about $ 1.3 billion in funding to more than 475 projects involving grid - scale batteries, power storage, biofuel production, wind turbines and other technology, according to a May report on the agency.
Other research has shown that several common biofuel feedstocks — including corn and rapeseed which have considerably lower yields than oil palm — also have high emissions from direct and indirect land use.
Indeed, corn is not the optimal basis for providing all the ethanol fuel we will need, but, as the President says, biofuels are needed to reduce our addiction to oil and to slow climate change — and the emerging biofuels market is spurring major investments in using biomass other than corn to make ethanol.
The causes of deforestation have been extensively studied, and it is clear from the empirical evidence that forces other than biofuel use are responsible for the trends of increasing forest loss in the tropics.
-LSB-...] Tallow - waste biofuel is more ethical than other alternative fuels, since it does not displace food crops such as corn... ``
According to a new report from the Organization for Economic Cooperation and Development, «Economic Assessment of Biofuel Support Policies», not only is public support of biofuels costly it has little impact on reducing greenhouse gas emissions: All the tax incentives, blending targets and other public support policies in the EU, US, and Canada total $ 25 billion per year, but will ultimately result in less than a 1 % reduction in emissions from transport by 2015.
In other words, it's certainly more scalable than trying to use most biofuels for aviation, but if this was the only source of «green» aviation fuel, there's some massive contraction in order of the global aviation industry.
· Substantially increased use of biofuels can only occur if they can be used in forms other than the low - percentage blends of ethanol and biodiesel that account for nearly all of their current use.
(1) Feedstock other than corn; (2) Decentralized network of small advanced biofuel manufacturing facilities; (3) Variable blending pumps in lieu of splash blending; and (4) Hydrous ethanol.