dailyalternative | alternative news - Biofuel breakthrough turns virtually any plant into hydrogen

Biofuel breakthrough turns virtually any plant into hydrogen

Researchers at Virginia Tech announced Thursday that their latest breakthrough in hydrogen extraction technology could lead to widespread adoption of the substance as a fuel due to its ease of availability in virtually all plant matter, a reservoir previously impossible to tap.

The new process, described by a study in the April issue of the scientific journal Angewandte Chemie, uses a cocktail of 13 enzymes to strip plant matter of xylose, a sugar that exists in plant cells. The resulting hydrogen is of an such a “high purity” that researchers said they were able to approach 100 percent extraction, opening up a potential market for a much cheaper source of hydrogen than anything available today.

“The potential for profit and environmental benefits are why so many automobile, oil, and energy companies are working on hydrogen fuel cell vehicles as the transportation of the future,” study author and Virginia Tech assistant professor Y.H. Percival Zhang said in an advisory. “Many people believe we will enter the hydrogen economy soon, with a market capacity of at least $1 trillion in the United States alone.”

The rise of such an alternative fuel could seriously disrupt the pollution-producing industries that run on oil and natural gas, and potentially spark a new industrial emphasis on growing plants with high levels of xylose in their cells. The environmental benefits of that potential future are twofold: the plants absorb carbon dioxide from the atmosphere, helping in small part to address the climate crisis, and the resulting portable fuel only outputs water when burned.

Beyond hydrogen fuel cells in cars and industrial equipment, U.S. space agency NASA says that hydrogen in its super-cold liquid form makes an ideal fuel for space exploration due to its low molecular weight and extremely high energy output. If plants could be grown on a space station traveling to a distant solar system some day, it is possible future breakthroughs could lead to an onboard system that actually renders more fuel mid-flight.

Of course, there are potential downsides to Zhang’s enzyme cocktail, namely in the costs of production on a large scale, questions about disposal of the enzyme goo and remaining carbon, and the likelihood of endless legal battles over who owns patents on which enzymes or combinations thereof. Nevertheless, if the world is to move forward into a renewable energy future, this is still a pretty big step.

 

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