Sentences with phrase «energy than the ethanol»

And by the way, adding a copper - coated ruthenium catalyst can also convert the HMF to DMF (2,5 - dimethylfuran), a fuel that provides more energy than ethanol.

David Pimentel, a professor of ecology at Cornell University who has been studying grain alcohol for 20 years, and Tad Patzek, an engineering professor at the University of California, Berkeley, co-wrote a recent report that estimates that making ethanol from corn requires 29 percent more fossil energy than the ethanol fuel itself actually contains.

• Ethanol production using wood biomass required 57 % more fossil energy than the ethanol fuel produced.

• Ethanol production using switchgrass required 50 % more fossil energy than the ethanol fuel produced.

Not exact matches

Its most devastating counter-argument is that the C.D. Howe report fails to appreciate «that ethanol is less energy efficient than gasoline by volume,» Corcoran says, which isn't exactly «a big marketing win» for Bob.

Using Patzek's methodology for every aspect of ethanol production save the conversion process itself, a gallon of Corn Plus ethanol consumes less energy than it contains — even before factoring in credit for coproducts.

From the start, the ethanol industry has been dogged by concerns about its net energy balance — whether ethanol requires more fossil fuel to make than it replaces.

The researchers, who found that ethanol requires 29 percent more fossil energy than it provides, question the morality of using grain to fuel cars in the face of world hunger.

Renewable energy, such as from photovoltaic electricity and ethanol, today supplies less than 7 percent of U.S. consumption.

Chemists at the National Renewable Energy Laboratory are closing in on cheap ways to make cellulosic ethanol, a form of ethanol derived from agricultural waste rather than food crops like soybeans or corn.

«The next phase of biofuel production will be getting away from ethanol; it's less energy - dense than petroleum,» said Carothers.

That's because fermenting corn into ethanol delivers less liquid fuel energy for internal combustion engines than does burning the kernels to generate power for electric motors.

Now, the first large - scale study shows that switchgrass yields more than five times the energy needed to grow, harvest, and transport the grass and convert it to ethanol.

That result contrasts sharply with a controversial study published just over a year ago in Science that suggested that a mixture of prairie grasses farmed with little fertilizer or other inputs would produce a higher net energy yield than ethanol produced from corn (Science, 8 December 2006, p. 1598).

The U.S. Department of Energy has provided more than $ 1 billion in federal funds to support research to develop cellulosic biofuels, including ethanol made from corn stover.

That was the knock on ethanol: that it took more energy to create than it produced as fuel.

And farmers have figured out a way for ethanol to be more energy - producing than energy - consuming.

It takes something like seven percent more energy to create a gallon of ethanol than that gallon even contains.

Doug Fehan: «The performance level of E85 compared to gasoline, when we look at a gallon - to - gallon comparison, there is about 20 percent less energy in a gallon of ethanol than in a gallon of gasoline.

A gallon of ethanol has a lower energy content than a gallon of gasoline (as measured by BTU content).

Where will that energy come from if we make many more poor choices like corn ethanol (a systems analysis of which showed that it took more total energy to produce than it delivered).

«Since 2000, global wind energy generation has more than tripled; solar cell production has risen six-fold; production of fuel ethanol from crops have more than doubled; and biodiesel production has expanded nearly four-fold.

Al Darzins, a contributor to the report and group manager with the National Bioenergy Center at the National Renewable Energy Laboratory, stressed in an interview that algae is far less developed, technologically, than biodiesel fuel or corn ethanol.

When energy consumers, like Japan's gov» t, decide that it's better to spend a bit more money on limitless and safe ethanol, solar, wind, water, or geothermal power than on limited and dangerous fossil fuels, then the energy industry will change because it must.

But the ethanol boosters are ignoring some unpleasant facts: Ethanol won't significantly reduce our oil imports; adding more ethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take more energy to produce a gallon of ethanol than it actually coethanol boosters are ignoring some unpleasant facts: Ethanol won't significantly reduce our oil imports; adding more ethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take more energy to produce a gallon of ethanol than it actually coEthanol won't significantly reduce our oil imports; adding more ethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take more energy to produce a gallon of ethanol than it actually coethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take more energy to produce a gallon of ethanol than it actually coethanol than it actually contains.

The greens, hawks, and farmers helped convince the Senate to add an ethanol provision to the energy bill — now awaiting action by a House - Senate conference committee — that would require refiners to more than double their use of ethanol to 8 billion gallons per year by 2012.

• The RFS is a de facto tax on motorists because it requires them to consume ethanol, which, on an energy - equivalent basis, is significantly more expensive than gasoline.

Therefore, for 1 BTU of energy expended, less than 1.1 BTUs of ethanol can be produced, along with an additional 0.2 BTUs of animal feed.

• For eight full years — 1986, 1987, 1988, 1989, 1992, 1994, 1997, and 1998 — ethanol cost at least three times more than an energy - equivalent amount of gasoline.

So no, the energy balance of sugarcane ethanol is not in fact better than that for gasoline.

The energy return on sugarcane ethanol as it has been calculated does appear to be in the 8/1 range, which would make it better than gasoline.

While wind energy is cheaper than other, more ineffective renewables, such as solar, tidal, and ethanol, it is nowhere near competitive.

The Midwest does not have the highest solar potential in the country (that is found in the Southwest), but its potential is nonetheless vast, with some parts of the Midwest having as good a solar resource as Florida.75 More than one - quarter of national installed wind energy capacity, one - third of biodiesel capacity, and more than two - thirds of ethanol production are located in the Midwest (see also Ch.

The researchers examined three ways of using sunlight to power cars: a) the traditional method of converting corn or other plants to ethanol; b) converting energy crops into electricity for BEVs rather than producing ethanol; and C) using PVs to convert sunlight directly into electricity for BEVs.

An analysis by the American Solar Energy Society indicates that burning cellulosic crops to directly generate electricity is much more efficient than converting them to ethanol.

The combination of plug - in hybrids and bio-deisel (a much more energy - efficient fuel to make than ethanol) could significantly reduce developed world demand for oil for passenger transport.

Corn ethanol receives billions in subsidies despite conclusive science indicating its inefficient production provides little or no additional energy other than what is used for its production, and its ecological destructiveness in terms of land, water and climate.

However, ethanol has one - third less energy than an equivalent volume of gasoline.

The Q Microbe ™ is used to make cellulosic ethanol from plant waste and could transform the energy industry by making ethanol more quickly and cost effectively than conventional technologies.

But all of this is despite serious scientific concerns about biofuels, especially corn ethanol - whose production requires lots of land, and consumes lots of energy - some say more than the fuel itself produces.

Because so little energy is required to cultivate crops such as switchgrass for cellulosic ethanol production, and because electricity can be co-produced using the residues of such cellulosic fuel production, reductions in greenhouse gas emissions for celluslosic ethanol when compared to gasoline are greater than 100 per cent.

According to the Energy Information Administration, the energy content of ethanol is about 33 % less than pure gasoline, and E85 contains 51 - 83 % ethanol, lowering gas mileage and forcing consumers to fill up more frequEnergy Information Administration, the energy content of ethanol is about 33 % less than pure gasoline, and E85 contains 51 - 83 % ethanol, lowering gas mileage and forcing consumers to fill up more frequenergy content of ethanol is about 33 % less than pure gasoline, and E85 contains 51 - 83 % ethanol, lowering gas mileage and forcing consumers to fill up more frequently.

President Obama continues to tout his «renewable» energy schemes as a «comprehensive»... «all of the above»... «energy strategy for the future» — even though wind, solar and ethanol programs combined provide less than 4 % of all the energy that powers the United States and makes our jobs, living standards, economy, health and welfare possible.

There's a variety of positive reports coming out on the future of the industry — there's reports that see a meaningful future for ethanol, as well reports saying ethanol could be deliver a better - than - expected energy return.

Corn ethanol isn't perfect, but it's clean, American energy and is better than crude oil from Saudi Arabia and Iran.

Ethanol contains 33 percent less energy per gallon than gasoline, so engines fueled with higher ethanol blended gas will attain fewer miles per gallon than those running on conventional gasolineEthanol contains 33 percent less energy per gallon than gasoline, so engines fueled with higher ethanol blended gas will attain fewer miles per gallon than those running on conventional gasolineethanol blended gas will attain fewer miles per gallon than those running on conventional gasoline (E10).

At the federal level this means the tax credits that have been in place for more than 20 years, encouraging the growth of wind, solar, ethanol, and other renewable energy sources.

Ethanol more energy - efficient than oil, finds study: Using ethanol — alcohol produced from corn or other plants — instead of gasoline is more energy - efficient that oil say researchers at the University of California, BeEthanol more energy - efficient than oil, finds study: Using ethanol — alcohol produced from corn or other plants — instead of gasoline is more energy - efficient that oil say researchers at the University of California, Beethanol — alcohol produced from corn or other plants — instead of gasoline is more energy - efficient that oil say researchers at the University of California, Berkeley.

Because ethanol has one - third less energy than gasoline and does not make up the difference in price, the higher the ethanol blend, the more money you spend on each mile driven.

In addition to adding the solar pipeline data to Open NY, NYSERDA has added U.S. Department of Energy (DOE) Alternative Fuels Data Center data on more than 20,000 public alternative vehicle fueling stations nationwide, including almost 1,000 biodiesel, compressed natural gas, E85 (ethanol) and electric charging stations in New York State.