An expert in fuel cells has claimed that the platinum containing cells and hydrogen fuel are the only technologies that will respond to global warming.

Dr CE Thomas commented on the release of a study and said that fuel cells are a must for the transportation industry.

"The hydrogen-powered fuel cell vehicle is the only option that can achieve the goal of reducing greenhouse gases by 60 per cent or more below 1990 levels in the transportation sector," he said.

"The second-best option, cellulosic ethanol plug-in hybrid vehicles (PHEVs), could at best achieve a 20 per cent reduction, and even then not until 2090," he explained.

Dr Thomas also believes that it would not cost as much to develop hydrogen fuels or fuel cells compared with the costs of maintaining and expanding the current gas infrastructure.

He has presented the findings at the National Hydrogen Association meeting in Sacramento after he evaluated the various configurations of hybrid, plug-in hybrid, bio-fuel and hydrogen vehicle technologies.

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