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Carbon capture and storage has been a political buzzword for years, even though it remains expensive and largely elusive on a commercial scale.
The first part of the equation, capturing carbon dioxide from power plants and other large emitters of carbon pollution, is the relatively easy part. The problem has been what to do with it. Injecting it underground is expensive, and turning it into fuel takes a lot of energy and often involves rare or toxic chemicals.
Researchers at the University of Delaware have taken a different approach, using an inexpensive catalyst that relies on electricity from solar energy to convert carbon dioxide (CO2) into carbon monoxide (CO) that can be used for a range of industrial applications, including liquid fuel.
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Solar Volts: A Cheaper Option to Turn Carbon Dioxide Into Synthetic Fuel