Sentences with phrase «because hydrogen fuel»

And they never really took off because hydrogen fuel cells were simply too costly to make.

Because hydrogen fuel cells operate more efficiently at less - than - maximum power, their advantage relative to diesel generators rises, he said.

Not exact matches

Center said hydrogen fuel cells are the «ultimate technology for the long term» because the cars boast faster re-fill times, perform better in colder weather, and offer longer ranges than electric vehicles.

While fuel - cell vehicles are available on the market currently, they aren't used commonly right now because it is complicated to recharge the hydrogen fuel cells, says Rinebold.

BOSTON — Hydrogen gas is a tantalizing fuel source because it generates only water when burned.

They call this idea the hydrogen hypothesis because the bacterium fed the archaean the hydrogen and carbon dioxide it used as fuel and converted them to methane.

But he also advocates starting work on hydrogen technology because in the long run fuel - cell vehicles that use «clean» hydrogen would reduce emissions.

Supporting a rail system powered by hydrogen fuel cells, for example, would require an entirely new infrastructure because hydrogen, being a small molecule, would leak through existing pipelines.

Fuel cells are far greener than gas - powered engines because they produce electricity without burning up the hydrogen (or other fuel) that powers tFuel cells are far greener than gas - powered engines because they produce electricity without burning up the hydrogen (or other fuel) that powers tfuel) that powers them.

They make good fuels because the energy stored in the bonds between carbon and hydrogen is abundant and easy to release in combustion with oxygen.

Hydrogen may be the ultimate clean fuel because burning it — in chemical terms, reacting it with oxygen — yields only water vapor.

Many communities would be better off investing in electric vehicles that run on batteries instead of hydrogen fuel cells, in part because the hydrogen infrastructure provides few additional energy benefits for the community besides clean transportation.

That is because it is a hydrogen fuel cell electric vehicle — one of 40 such automobiles that U.S. carmaker General Motors provided for motorists to road test.

That's because the core of making jet biofuel is much the same as the core of making conventional fuel: hydroprocessing, or the adding of hydrogen to existing hydrocarbons in order to remove oxygen and other impurities as well as build the right molecule.

The device could make hydrogen cars affordable for many more consumers because it produces hydrogen using nickel, iron and cobalt — elements that are much more abundant and less expensive than the platinum and other precious metals that are currently used to produce hydrogen fuel.

«Hydrogen gas has immense potential as a source of sustainable fuel, because it generates no carbon emissions,» said Lawrence Livermore lead author Brandon Wood.

Fusion is more efficient than fission, but even if we enclose the sun in a perfect Dyson sphere, we'll still never convert more than about 0.08 percent of the sun's mass to energy we can use, because once the sun has consumed about a tenth of its hydrogen fuel, it will end its lifetime as a normal star, expand into a red giant, and begin to die.

Hydrogen has long been touted as a clean, green fuel, but it is difficult to store and move around because of its bulk.

«Various forms of carbon, including nanotubes, are considered for hydrogen or other fuel storage because they have a huge internal surface area for the fuel molecules to stick to.

Because a fuel cell is rechargeable, the catalyst also «charges» the fuel cell by producing hydrogen.

Because they are so massive, O - type stars have very hot cores and burn through their hydrogen fuel very quickly, so they are the first stars to leave the main sequence.

However, the use of hydrogen peroxide as the micromotor fuel is a drawback because it is an extra additive and requires the use of expensive platinum materials to build the micromotors.

Edmunds recognized the Honda Clarity as the Consumer Electronics Show's Most Innovative Car because of its flexible powertrain options, which include fully electric, plug - in hybrid, and hydrogen fuel cell, suiting every kind of eco-friendly driver.

Pretty impressive because hydrogen is a bitch to contain and platinum free PEM fuels cells are becoming affordable.

I suspect that we will be hearing a lot more about hydrogen cars too; the fossil fuel companies might well fund a fake «hydrogen economy» because the cheapest hydrogen is made by steam reforming of natural gas; people think that this is somehow better than just running a car on CNG.

In the body of the study it becomes clear that FCVs do not beat internal combustion engines (ICEs) by much in equivalent fuel economy, And they are not much better in greenhouse gas emissions either, particularly in the liquid hydrogen versions, because of the energy required to transport and compress the hydrogen.

That's because you can make it in two ways: steam - methane reformation, which means that it is a fossil fuel, and the source for 95 percent of hydrogen) or electrolysis of water, which makes it essentially a battery storing electric power.

IMO, Hydrogen as a viable alternative fuel is a red herring, because as James said, «what's unreal is a source of H2 that doesn't produce more CO2 than the same car burning gasoline.»

«I don't want to turn this into a debate on hydrogen fuel cells because I just think that they're extremely silly.

Publicly, most automakers are ducking the issue and emphasizing potential pitfalls of building hybrid cars with plugs, but pressure is mounting behind the scenes to give the idea some life... «Such development should have the highest research and development priority because it promises to revolutionize transportation economics and to have a dramatic effect on the problems caused by oil dependence,» write George Shultz, former U.S. secretary of state, and James Woolsey, former director of the Central Intelligence Agency, in a June position paper on oil and U.S. national security... They argue that battery development for plug - in hybrids «should for the time being replace the current research and development emphasis on automotive hydrogen fuel cells.»

International solar thermal energy researchers have successfully tested CONTISOL, a solar reactor that runs on air, able to make any solar fuel like hydrogen and to run day or night — because it uses concentrated solar power (CSP) and includes thermal energy storage.

The device could make hydrogen cars affordable for many more consumers because it produces hydrogen using nickel, iron and cobalt — elements that are much more abundant and less expensive than the platinum and other precious metals that are currently used to produce hydrogen fuel.

The device also is a step forward because it produces hydrogen fuel in an environmentally friendly way.

@gor, Eventually, Big Oil will become Big Hydrogen because oil and gas wells will run dry, and H2 is the lowest - cost and most efficient synthetic fuel that one can make from non-fossil energy sources.

Lower carbon sustainable biofuels will likely also be a necessity for internal combustion engines because it could take decades to build out new, safe, and accessible infrastructure for fueling electric or hydrogen - powered zero - carbon vehicles.

Fossil Fuel is a generic term that isn't quite correct Natural Gasoline is a distilled derivative of oil but almost all ofit is manufactured from cracked and recombined oil derivativeswhile natural gasoline is further refined intoPropane, butane, Proproline (a plastics feed stock), and Natural gasand also separates out sulfur (for fertilizer and explosives) Gasoline can be made from coal («Coaline») or from organic matter («Bio-fuel») but uses a few of oil based feed stocks instead tomake «Sythiline» (artificial gasoline) This gasoline is actually cleaner burning then natural gas with allit's «flare offs» (butane, propane, propoline, sulfur) used in theearly 19th century because it is manufactured only with essentialHydrocarbons Diesel fuel is also becoming more and more Manufactured instead ofdistilled as demand for it rises but improvements in Hydro cleaningis allowing for diesel with no volatile chemicals like sulfur andmercury (taken out for petro - chemical feedstock to make fertilizerand thermometers) In both cases what you have is pure hydro - carbons, a carbon atomwith hydrogen atoms attached to it In the case of gasoline there is CH1, cH7, CH11 When in a combustion engine the gasoline is sprayed into the pistonafter being mixed with air and the drive of the engine compressesthe the chamber filled with the gasoline mist until it's full downstoke then the spark plug causes the Exothermic reaction... which isthe conversion of the potential energy in the gasoline mist to heatand force, with the force side of that equation shooting the pistonupward and the top of the stroke kicking what's left of thecaramelized gasoline mist out into the Emission control box If the Emulsion control box wasn't there to filter out the burntgasoline particles, any potential additives and volatile chemicalsthen the caramelized gunk hitting air would create CARBON MONOXIDEin the cooler then the heat of the engine difference CARBON MONOXIDE can also become a problem if the Emissions controlBox filter, air filters or muffler filters is worn or damaFuel is a generic term that isn't quite correct Natural Gasoline is a distilled derivative of oil but almost all ofit is manufactured from cracked and recombined oil derivativeswhile natural gasoline is further refined intoPropane, butane, Proproline (a plastics feed stock), and Natural gasand also separates out sulfur (for fertilizer and explosives) Gasoline can be made from coal («Coaline») or from organic matter («Bio-fuel») but uses a few of oil based feed stocks instead tomake «Sythiline» (artificial gasoline) This gasoline is actually cleaner burning then natural gas with allit's «flare offs» (butane, propane, propoline, sulfur) used in theearly 19th century because it is manufactured only with essentialHydrocarbons Diesel fuel is also becoming more and more Manufactured instead ofdistilled as demand for it rises but improvements in Hydro cleaningis allowing for diesel with no volatile chemicals like sulfur andmercury (taken out for petro - chemical feedstock to make fertilizerand thermometers) In both cases what you have is pure hydro - carbons, a carbon atomwith hydrogen atoms attached to it In the case of gasoline there is CH1, cH7, CH11 When in a combustion engine the gasoline is sprayed into the pistonafter being mixed with air and the drive of the engine compressesthe the chamber filled with the gasoline mist until it's full downstoke then the spark plug causes the Exothermic reaction... which isthe conversion of the potential energy in the gasoline mist to heatand force, with the force side of that equation shooting the pistonupward and the top of the stroke kicking what's left of thecaramelized gasoline mist out into the Emission control box If the Emulsion control box wasn't there to filter out the burntgasoline particles, any potential additives and volatile chemicalsthen the caramelized gunk hitting air would create CARBON MONOXIDEin the cooler then the heat of the engine difference CARBON MONOXIDE can also become a problem if the Emissions controlBox filter, air filters or muffler filters is worn or damafuel») but uses a few of oil based feed stocks instead tomake «Sythiline» (artificial gasoline) This gasoline is actually cleaner burning then natural gas with allit's «flare offs» (butane, propane, propoline, sulfur) used in theearly 19th century because it is manufactured only with essentialHydrocarbons Diesel fuel is also becoming more and more Manufactured instead ofdistilled as demand for it rises but improvements in Hydro cleaningis allowing for diesel with no volatile chemicals like sulfur andmercury (taken out for petro - chemical feedstock to make fertilizerand thermometers) In both cases what you have is pure hydro - carbons, a carbon atomwith hydrogen atoms attached to it In the case of gasoline there is CH1, cH7, CH11 When in a combustion engine the gasoline is sprayed into the pistonafter being mixed with air and the drive of the engine compressesthe the chamber filled with the gasoline mist until it's full downstoke then the spark plug causes the Exothermic reaction... which isthe conversion of the potential energy in the gasoline mist to heatand force, with the force side of that equation shooting the pistonupward and the top of the stroke kicking what's left of thecaramelized gasoline mist out into the Emission control box If the Emulsion control box wasn't there to filter out the burntgasoline particles, any potential additives and volatile chemicalsthen the caramelized gunk hitting air would create CARBON MONOXIDEin the cooler then the heat of the engine difference CARBON MONOXIDE can also become a problem if the Emissions controlBox filter, air filters or muffler filters is worn or damafuel is also becoming more and more Manufactured instead ofdistilled as demand for it rises but improvements in Hydro cleaningis allowing for diesel with no volatile chemicals like sulfur andmercury (taken out for petro - chemical feedstock to make fertilizerand thermometers) In both cases what you have is pure hydro - carbons, a carbon atomwith hydrogen atoms attached to it In the case of gasoline there is CH1, cH7, CH11 When in a combustion engine the gasoline is sprayed into the pistonafter being mixed with air and the drive of the engine compressesthe the chamber filled with the gasoline mist until it's full downstoke then the spark plug causes the Exothermic reaction... which isthe conversion of the potential energy in the gasoline mist to heatand force, with the force side of that equation shooting the pistonupward and the top of the stroke kicking what's left of thecaramelized gasoline mist out into the Emission control box If the Emulsion control box wasn't there to filter out the burntgasoline particles, any potential additives and volatile chemicalsthen the caramelized gunk hitting air would create CARBON MONOXIDEin the cooler then the heat of the engine difference CARBON MONOXIDE can also become a problem if the Emissions controlBox filter, air filters or muffler filters is worn or damaged.

Yes we do because fossil fuels contain carbon and hydrogen, whichboth burn with oxygen from the atmosphere to produce heat which isused to drive an engine.

At the time of the speech, hybrid - electric cars, which offer higher fuel efficiency than regular cars because of electric motors that help drive the wheels, were seen in the United States as but a minor detour or way station en route to a world of hydrogen fuel cells.

Because George W. Bush, a man who doesn't know squat about hydrogen fuel cells and the challenges of a hydrogen economy, makes a speech that — once again — says hydrogen - powered vehicles are an attainable goal.

As has been noted in many quarters, including this one, hydrogen has proven to be an extremely unwieldy fuel source because of the difficulties in handling and storing it.

If the oil companies don't get the hydrogen fueling stations built because they want to keep us addicted to oil, then companies like Wal Mart and car dealerships will start building hydrogen stations.

This is because it is a relatively straightforward calculation to predict the boil - down time to when the fuel is uncovered (several days) at which the risk of hydrogen generation and deflagration occurs, so just why the simple and obvious expedient of providing cooling water via a temporary pump (i.e. a fire tender) was not implemented by TEPCO in a timely manner is baffling.