this post was submitted on 15 Jul 2024
137 points (94.2% liked)
Climate - truthful information about climate, related activism and politics.
5197 readers
714 users here now
Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.
As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades:
How much each change to the atmosphere has warmed the world:
Recommended actions to cut greenhouse gas emissions in the near future:
Anti-science, inactivism, and unsupported conspiracy theories are not ok here.
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
Batteries take up about 15-20% of the vehicle mass and have around 90% efficiency
Hydrogen cycle has, at best, 60% efficiency (assuming amazing logistics and fuel cell for hydrogen-to-energy conversion); also, hydrogen systems also weigh a lot, but even if they would weigh literally 0kg, they would lose on efficiency anyway.