With aviation responsible for around 2-3% of global greenhouse gas emissions ... Unlike combustion engines, hydrogen fuel cells generate electricity through a chemical reaction between hydrogen ...

The company expects to debut a commercially viable hydrogen aircraft by the late 2030s.

According to the American Dental Association (ADA) and the nine dentists we spoke to, either hydrogen peroxide or carbamide peroxide is what you should look for in whitening products.

The Best Toyota Race Cars (and Trucks) of All Time: Oh, What a Feeling!

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