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3 votes
1 answer
85 views

Does greener flights mean a lot less affordable flights?

They plan to decarbonize the aviation industry in two ways: electric planes and hydrogen-powered planes. But in any case it implies fewer passenger seats and, as a result, a dramatic increase in ...
Sergey Zolotarev's user avatar
2 votes
1 answer
247 views

Flying vs heating and cooling

In some regions, summer is cool and there's little use of air conditioning. In other regions, winter is mild and there's little use of heating. Suppose a household adopted the practice of flying ...
Silas S. Brown's user avatar
0 votes
2 answers
62 views

When the topic of transport decarbonization comes up, all I hear is batteries and hydrogen. But what about renewable natural gas (RNG)?

When the topic of transport decarbonization comes up, all I hear is batteries and hydrogen. But what about renewable natural gas (RNG)? The milage is better, less energy loss, as I understand. You can ...
Sergey Zolotarev's user avatar
24 votes
8 answers
7k views

Is driving an electric car any better than driving a conventional car if electricity is generated with fossil fuel?

Is driving an electric car any better, GHG-wise, than driving a conventional car if 100% of its electricity is generated by fossil fuel combustion? Are there any peer-reviewed studies of that?
Sergey Zolotarev's user avatar
1 vote
2 answers
73 views

What is the climate impact of shared electric kick scooter systems?

During the last few years, shared electric kick scooter systems such as Voi and Tier have become common where I live. The system consists of a number of shared electric kick scooters scattered around ...
juhist's user avatar
  • 5,239
1 vote
3 answers
168 views

Mindset change in developing countries

I've travelled a bit in Africa, Middle East, and Asia. What strikes me, in all of these places, is that often in the most poverty-striken areas, things that people look up to are big cars, and ...
scientistofenergy's user avatar