Sentences with phrase «as hydrogen fuel cells»

As far as hydrogen fuel cells versus electric cars or wind - powered land sailers, you can make arguments on all sides of the alternative fuel debate until you're blue in the face from too much CO2.

The graph above charts the contributions played by improved efficiency and adoption of renewable electricity sources as well as hydrogen fuel cells (with the hydrogen generated with renewable energy).

The plan is to match the basic electric - drive system with various recharging sources, including engines that burn gasoline, ethanol and biodiesel fuels as well as hydrogen fuel cells.

As hydrogen fuel cell vehicles continue to roll out in increasing numbers, the infrastructure for fueling them must expand as well.

Long available in Europe, the B - Class has only been offered for lease in the U.S. as a hydrogen fuel cell electric vehicle, and only in the L.A. area.

The hydrogen molecule is able to generate power by passing through a device such as a hydrogen fuel cell.

Not exact matches

But like many other, overly optimistic hydrogen - based fuel entrepreneurs, Dean, whose company made a specialized membrane that was to be used in the fuel - cell modules, watched the ground open beneath his feet as the commercial take - up proved to be far slower than anyone anticipated.

Honda established a division late last year to develop electric vehicles (EVs) as part of its long - held goal for lower - emission gasoline hybrids, plug - in hybrids, EVs and hydrogen fuel cell vehicles (FCVs) to account for two - thirds of its line - up by 2030, from about 5 percent now.

Toyota follows in the footsteps of Daimler AG and divests part of its shares in Tesla as the Japanese automaker looks to hydrogen fuel cells as an alternative power source.

Both companies produce fuel cells that convert hydrogen into clean electricity and nearly half of Ballard's sales now come from China, as the country adds hydrogen - fuelled electric buses to its roads.

Lobbyists for environmental groups and the planet's biggest automobile manufacturers are pushing the governor and legislative leaders to give tax breaks or taxpayer - funded rebates to consumers who buy zero - emissions vehicles, such as battery electric or hydrogen cell fuel cars.

Solid oxide fuel cells that can use conventional fossil fuels as well as hydrogen are set to take a larger role in the energy game

Cars running on hydrogen fuel cells produce zero emissions, but currently, factories must use fossil fuels, such as natural gas, or precious metals, such as platinum, to...

The group found that although fuel - cell vehicles would produce zero greenhouse - gas emissions during use, the extraction and refinement of hydrogen fuel would release three to five times as much carbon into the air as is released in procuring and refining gasoline and diesel.

And if hydrogen is fed into a fuel - cell stack — a batterylike device that generates electricity from hydrogen and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 20fuel - cell stack — a batterylike device that generates electricity from hydrogen and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 20cell stack — a batterylike device that generates electricity from hydrogen and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 20Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 20Cell Cars,» by Steven Ashley; Scientific American, March 2005].

Using sunlight to create fuels (such as hydrogen on the other electrode in this solar cell) with inexpensively prepared electrodes may provide a solution to the intermittency drawback of solar energy.

It turns out they are indispensable for a range of urgently needed green energy technologies such as wind turbine generators, low - energy lighting, fuel cells, rechargeable batteries, magnetic refrigeration and hydrogen storage.

As plug - in electric vehicle sales continue to putt along, automakers are increasingly pinning their hopes on hydrogen fuel cells as the clean vehicle technology of the futurAs plug - in electric vehicle sales continue to putt along, automakers are increasingly pinning their hopes on hydrogen fuel cells as the clean vehicle technology of the futuras the clean vehicle technology of the future.

Automakers have said they're concentrating fuel - cell vehicle sales in California, expanding to other states as more hydrogen fueling stations come available.

Previously, researchers have produced hydrogen gas in microbial - powered, batterylike fuel cells, but only when they supplemented the energy produced by the bacteria with electrical energy from external sources — such as that obtained from renewable sources or burning fossil fuels, says Bruce Logan, an environmental engineer at Pennsylvania State University, University Park.

Fuel Cells Electricity from any source, such as solar, wind and even coal, can be used to break up water molecules into their hydrogen and oxygen components in a device called an electrolyzer.

I was not pleased to see, once again, that hydrogen is linked only with fuel - cell technology, which is «many years away» from mass production and costs several times as much as internal combustion technology.

SOFCs have long been seen as second - string to the more well - known hydrogen - based fuel cells.

The Chevrolet Equinox starts with a chirping sound, as gas injectors pump hydrogen into its handmade fuel cell stack.

In only two weeks of driving, the district coordinator of science for the Port Chester, N.Y., public school system has driven at least 600 miles (965 kilometers) on the car and her fuel cell Equinox has gotten as much as 191 miles (307 kilometers) on its three full tanks (each holding slightly more than four kilograms, or 8.8 pounds, of compressed hydrogen gas).

This synthesis route is capable of developing alternative catalysts of noble metals for many eco-friendly technologies such as fuel cell vehicles, hydrogen generation from water and CO2 reduction.

The unlikely material may one day compete with more high - tech solutions such as carbon nanotubes for storing hydrogen for fuel - cell - powered vehicles.

Should the market demands for hydrogen fuel increase with the introduction of fuel cell electric vehicles, the U.S. will need to produce and store large amounts of cost - effective hydrogen from domestic energy sources, such as natural gas, solar and wind, said Daniel Dedrick, Sandia hydrogen program manager.

As a zero - emission fuel, the hydrogen can be recombined with oxygen to produce electric power on demand, such as onboard a fuel - cell vehiclAs a zero - emission fuel, the hydrogen can be recombined with oxygen to produce electric power on demand, such as onboard a fuel - cell vehiclas onboard a fuel - cell vehicle.

Hydrogen fuel cells, which expel only water and heat as waste, are an appealing way to generate clean electricity, but the present technology relies on expensive platinum catalysts.

Automobiles powered by hydrogen fuel cells are often lampooned as the cars of the future — and they always will be.

All over the world researchers are investigating solar cells which imitate plant photosynthesis, using sunlight and water to create synthetic fuels such as hydrogen.

A large of proportion of energy research aims to establish and optimize renewable sources such as photovoltaics, hydrogen fuel cells, biomass, and wind power, but energy research can also be about improving old technologies.

Fuel cells convert chemical energy into electrical energy using hydrogen and oxygen — with water as the only product.

Hydrogen is clean - burning, producing only water vapor as waste, so fuel - cell vehicles using hydrogen will be zero - emission, an important factor given the need to reduce air poHydrogen is clean - burning, producing only water vapor as waste, so fuel - cell vehicles using hydrogen will be zero - emission, an important factor given the need to reduce air pohydrogen will be zero - emission, an important factor given the need to reduce air pollution.

That's been a high hurdle for devices called solid oxide fuel cells (SOFCs) that convert fuels — such as methane and hydrogen — directly to electricity without burning them.

They are filled with the hydrogen gas essential to run the fuel cells — or gas batteries, as the Victorians call them — that are so vital for the economy and for powering everyday life.

In the early 2000s, Maria's group had pioneered the single - atom approach for metals anchored on oxide supports as the exclusive active sites for the water - gas shift reaction to upgrade hydrogen streams for fuel cell use.

The fuel cell ran on hydrogen for several days at a favorable 160ºC, although it produced just 1 % as much energy as existing fuel cells.

Results of the investigation have numerous uses in the field of hydrogen fuel cell vehicles as well as the chemical industry, as this new method is capable of generating hydrogen from methane gas and electricity in just one step and with near - zero energy loss.

That is important not only for the design of dye - sensitised solar cells, but also in order to be able to develop systems of materials for photocatalytic generation of hydrogen for storing solar energy as hydrogen fuel.»

The new, warm fuel cell marries a solid electrolyte, such as those found in solid - oxide cells, with the hydrogen - ion conduction used in polymer - electrolyte membrane (PEM) fuel cells.

Hydrogen - powered fuel cells are regarded as a clean alternative to conventional combustion engines, as, aside from electric energy, the only substance produced during operation is water.

At the time, Nocera's group focused on using the captured hydrogen as a chemical fuel, which can either be burned directly or run through a device called a fuel cell to produce electricity.

Woodham, Peter Grade: 8 Summit Middle School - Boulder, CO Project Title: Molybdenum Disulfide as a Catalyst in Hydrogen Fuel Cells

The hydrogen and oxygen gas can be stored separately, and later brought together as fuel in what is called a fuel cell.

As one component of DOE's portfolio, hydrogen and fuel cells can enable affordable and reliable energy that enhances economic growth and energy security.

Inside the fuel cell, a catalyst generally made from platinum breaks apart the hydrogen and «releases» electrons that serve as energy sources.

It will focus on catalyst development for four applications: proton exchange membrane fuel cells to convert stored energy in non-fossil fuels into electricity; electrolysers for splitting water into oxygen and hydrogen — a potential clean fuel cell source; syngas, a mixture of CO and H2, which is generated from coal, gas and biomass, and widely used as a key intermediate in the chemical industry; and lithium - air batteries.

A new report on fuel cell vehicles from IHS Automotive forecasts that global production of hydrogen fuel cell electric vehicles (FCEVs) will reach more than 70,000 vehicles annually by 2027, as more automotive OEMs bring FCEVs to market.