Word: carbone
(lookup in dictionary)
(lookup stats)
Dates: during 1990-1999
Sort By: most recent first
(reverse)
...process of extracting hydrogen from more conventional fuels such as gasoline and methanol inevitably releases some carbon dioxide--but not as much as the internal combustion engine does, and therein lies...
Though the issue is still controversial, many scientists believe that a documented rise in carbon dioxide levels worldwide has caused large-scale climate changes. If the trend continues, it could lead to environmental problems such as the melting of polar ice caps and a rise in ocean levels across the globe...
Chemical refineries routinely break down fossil fuels into hydrogen gas and carbon dioxide. But, until recently, there was no way to carry out this reaction in a box small enough to fit under the hood...
...promises of fuel cells is that you will cut global [carbon dioxide] emissions and global warming, but there's a two step process to getting to that," Mitchell said. "In order to get fuel cells out there, you need to let them run on fuels we use today...
...Vaporized fuel is burned with a small amount of air in a Partial Oxidation (POX) reactor producing carbon monoxide and carbon...