Sentences with phrase «other biofuel sources»

But the thinking is that the carbon dioxide emitted by renewable sources will eventually get reabsorbed through photosynthesis, as trees, corn, and other biofuel sources grow back.

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.

Not exact matches

Biofuels and other alternative sources have been in the headlines enough to have dulled any futuristic sheen (thanks to Richard Branson's billions, Virgin Atlantic became the first airline to conduct a commercial test using biofuels in 2008), but their widespread viability remains somewhere on the horizon.

In the U.S., the commitment to such alternatives remains precarious — the budget for biofuel and hydrogen research has risen, but funding for other renewable energy sources has declined.

But the environmental price tag of biofuels now joins the ranks of other, cheaper domestic fuel sources — such as coal - to - liquid fuel — as major sources of globe - warming pollution as well as unintended social consequences.

Algae is a desirable biofuel source because it doesn't compete with other plants that serve as sources of food.

Dear EarthTalk: How far along are we at developing algae - based and other higher yield sources of biofuels?

«Boeing believes that biofuels and other types of alternative fuel sources are a near - term solution to reduce carbon emissions,» Boeing senior manager Robert Stevenson told the committee.

Other renewable energy sources, particularly biofuels for transportation, also have good prospects.

Future technologies that need R&D: high - efficiency photovoltaics (say, 50 % conversion)(as well as lowering the cost of PV), energy storage systems for intermittent sources like solar and wind (hydrogen storage, other methods), advances in biofuel technology (for example, hydrogen production from algae, cellulosic ethanol, etc..)

Interest in biofuels — fuel derived from living organisms including biomass or their metabolic byproducts, such as manure from cows — grew throughout the end of the twentieth century as these are renewable energy sources, unlike other natural resources such as petroleum, coal, and nuclear fuels.

However, you should not delay inclusion of known sources of emissions, including indirect emissions from biofuels, pending discovery of potential effects from other fuels.

The symposium will cover molecular and heterogeneous catalysis, theory and experimentation, and fundamental science and applied research in biofuels, batteries, and other energy sources.

And we're going to continue to work to diversify our fuel mix, including biofuels, natural gas, and other cleaner sources of energy.

Let's reword all this and say that we want to improve energy efficiency and reduce waste and real pollution wherever we can, we want to move away from ever scarcer and costlier fossil fuels, particularly those that have to be imported from a price - fixing cartel of nations that are generally hostile to us and we want to develop new domestic sources of energy, be that shale oil and gas, new biofuels (not silly corn - to - ethanol schemes) and other renewable energy sources, etc..

In addition to information on coal, CoalSwarm is developing information on other extreme energy sources including tar sands, natural gas and oil derived from fracking, nuclear power, offshore oil drilling, and biofuels.

By replacing animal and human muscle and low - density energy sources like wood, dung, and other biofuels, and low - density, intermittent wind and solar, fossil and nuclear fuels have freed people from the basic tasks of survival to devote time and bodily energy to other occupations.

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.

A U.K. publishing company used data from EPI and other sources to produce a global wall chart showing a variety of information on biofuels.

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 /

Unfortunately, President Obama is following President Carter by seeking approval from the environmental movement by thwarting domestic fossil fuel production and promoting unreliable, uneconomic renewable energy sources of solar, wind, ethanol from corn, and other biofuels.

BIOFUELS: • Sources say President Trump may allow exported ethanol to count toward the biofuels quota required under the Renewable Fuel Standard, among other BIOFUELS: • Sources say President Trump may allow exported ethanol to count toward the biofuels quota required under the Renewable Fuel Standard, among other biofuels quota required under the Renewable Fuel Standard, among other changes.

Renewable diesel fuel (other): Diesel fuel and diesel fuel blending components produced from renewable sources that are coprocessed with petroleum feedstocks and meet requirements of advanced biofuels.

(For fossil fuels, tax assessed preferably at the mine or well, to reduce paperwork and make enforcement efficient (as opposed to the exhaust pipe)-- but then a compensating credit for fossil C used in materials unlikely to be oxidized, etc, with compensating tariff / subsidy for trade between nations with differing policies; attempt at least approximate CO2eq tax for other sources so as to not distort the market (don't encourage too much deforestation for biofuels, don't forget about cement production, don't forget about cows, etc.)-RRB-.

With this in mind, climate change could be just another unique opportunity for weeds and other hardy plants to fulfill other roles: as potential biofuel candidates (kudzu, swtichgrass and jatropha for example), as a source of natural materials for furniture, or even as food — because weeds are evolving, just as we are.

On the one hand, the oil's renewable source and application as biofuel make it an appealing alternative, but on the other, some of the most

Other biofuel feedstock sources, including cellulosic biomass, are promising, but technological barriers make their future uncertain.

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.

In contrast to the $ 500 billion in fossil fuel supports in 2010, renewable energy received just $ 66 billion in subsidies — two thirds for electricity generation from wind, biomass, and other sources, and one third for biofuels.

With the debate over the viability of ethanol and other biofuels raging on (and on), some are betting — not on solar, not on wind power — but on geothermal power as the next best possible source of renewable energy (more information on geothermal here,

Fossil fuels are belittled as outmoded energies destined for history's dustbin whereas wind, solar, and biofuels — sources requiring Soviet - style production quota and other policy privileges to capture significant market share — are hailed as technologies of tomorrow.