Hydrogen trains:-- Hydrogen trains are equipped with fuel cells that produce electricity by combining hydrogen with oxygen.
This conversion process only emits steam and water, thus producing zero emissions.
Excess energy produced is stored in ion-lithium batteries on board train.
These trains also make very little noise. Moreover, hydrogen fuel cells have advantages over batteries.
International Relations Prev First in-Person Meeting of Quad Countries Star marking (1-5) indicates the importance of topic for CSE Tags: GS Paper - 2 Groupings & Agreements Involving India and/or Affecting India's Interests Why in News Recently, the first in-person meeting of Quad leaders was hosted by the US. Issues like climate change, Covid-19 pandemic and challenges in the Indo Pacific, amidst China's growing military presence in the strategic region, were discussed in the meeting. Key Points Background: In November 2017, India, Japan, the US and Australia gave shape to the long-pending proposal of setting up the Quad to develop a new strategy to keep the critical sea routes in the Indo-Pacific free of any influence. China claims nearly all of the disputed South China Sea , though Taiwan, the Philippines, Brunei, Malaysia and Vietnam all claim parts of it. The South China Sea is an arm of the Western ...
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