Engineers create truly green hydrogen gas using only seawater, soda cans, and caffeine [Video]

The global shipping industry is alone responsible for three percent of the total greenhouse gas emissions humans produce. If nothing is done to make shipping green, in a few decades, this sector will produce over 10 percent of the emissions.   

A new study from MIT researchers reveals a practical and scalable solution to this problem. The study authors have devised an emission-free approach to produce green hydrogen fuel for maritime applications such as boats, naval ships, commercial vessels, and even submarines.   

What’s even more interesting are the ingredients the researchers used. They claim that they can make hydrogen fuel using old soda cans, seawater, and caffeine. 

Two key challenges with hydrogen fuel

This isn’t the first study proposing the use of aluminum (which soda cans are made from) for producing hydrogen fuel. It is already well known that when aluminum and water react, hydrogen is formed as one of the byproducts. However, such reactions only …