RIO DE JANEIRO, BRAZIL - The cheapening of renewable energies coupled with advances in battery technology are sparking a veritable energy revolution. But solar panels and wind turbines are not yet able to clean up all economic sectors.
That's where green hydrogen comes in, with the potential to reduce the carbon footprint of emission-critical sectors such as freight transportation and heavy industry.
From large steel mills to aircraft manufacturers, green hydrogen is becoming the latest frontier for decarbonizing economies - and generating billions of dollars among established companies and startups looking to scale up the technology.
But what is . . .