She had Mark close down the fuel cells as well.

Fuel cells have been around for more than a century.

The first fuel cells were created in the 19th century.

Less than two hours' worth of energy was left in their fuel cells.

These fuel cells are at an early stage of development.

Learn about whether the cost of fuel cells is a major problem in this article.

Why does the president think fuel cells are worth the investment?

In the next section, we will look at the different types of fuel cells.

Only five years ago, fuel cells were at least 50 times more expensive than they are today.

Chief among the problems associated with fuel cells is how expensive they are.

Since then, fuel cells have been used in many other applications.

Fuel cells are expected to find strong use in the transportation industry.

Sure enough, the heavy fuel cells were set in place, charged and ready for use.

This would mark the first railway use of fuel cells in the world.

They are among the most efficient fuel cells, having the potential to reach 70%.

Today, the company is the major vendor of such fuel cells.

Fuel cells from the station are lining up to meet him.

New compact fuel cells were in development but weren't expected to be available for several years.

Also on the 12th day the fuel cells started to give only a partial amount of power.

They are the most common fuel cells for combined heat and power generation.

In addition, the design team is working to incorporate fuel cells into the building's power system.

Fuel cells are at the heart of a shuttle's operations.

Beneath my feet, under the truck bed, were six fuel cells.

Hydrogen for fuel cells can be produced in many ways.

The idea to use fuel cells for military applications is hardly a new one.

Fuel cells have been around for more than a century.

She had Mark close down the fuel cells as well.

These fuel cells are at an early stage of development.

Less than two hours' worth of energy was left in their fuel cells.

This was the first commercial use of a fuel cell.

"It's too early to say what is going to be the right fuel cell technology," he said.

The fuel cell power has been more reliable so far.

One example is fuel cell cars: the car of the future.

Why does the president think fuel cells are worth the investment?

Learn about whether the cost of fuel cells is a major problem in this article.

Fuel cells for cars, however, are 10 to 20 years away.

The company has experience in all five major fuel cell technologies.

Fuel cell vehicles could hit the road in two or three years.

Fuel cells are expected to find strong use in the transportation industry.

Since then, fuel cells have been used in many other applications.

This may be the case with the shares of some companies involved in fuel cell technology.

In the next section, we will look at the different types of fuel cells.

Only five years ago, fuel cells were at least 50 times more expensive than they are today.

The companies have set a target of 2004 for a commercial fuel cell.

"There's nothing like this in terms of a fuel cell."

Today, the company is the major vendor of such fuel cells.

"Our academic discipline is in the science of fuel cell energy."

Connecticut is now home to three of the largest fuel cell companies in the world.

Private companies are pushing ahead on both natural gas and the fuel cell.

Chief among the problems associated with fuel cells is how expensive they are.