Sentences with phrase «replaced by fuel cells»

Not exact matches

A raft of laboratories and businesses, however, are determined to cut costs by replacing one of the most expensive components in the fuel cells: the catalyst.

Simulations by Rice University scientists show how carbon nanomaterials may be optimized to replace expensive platinum in cathodes for electricity - generating fuel cells for transportation and other applications.

Also, while ketones can replace glucose as a fuel, they can not glycosylate proteins, or generate ROS in the manner needed by immune cells.

Since 2008, FedEx has saved more than 158 million gallons of vehicle fuel by replacing vehicles with more efficient models and making greater use of electric vehicles, fuel cells, natural gas, hybrids and clean truck technologies.

The Mirai's hydrogen fuel cell generates electricity by combining hydrogen with oxygen, in effect replacing a traditional battery.

The rear seats have been removed, too, replaced by a parcel shelf and a roll bar, while a fuel cell and its associated filler sit in the Shakedown's trunk.

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.»

But in a speech to a Greenpeace Business Conference in London last October, Ford said the days of such engines were numbered, after a 100 - year reign, and that they will be replaced by clean fuel cell technology.