On the downvotes, I assume it's because your point is not at all relevant to the article itself or the technology it discuesses. It could easily be copy-pasted

On the downvotes, I assume it's because your point is not at all relevant to the article itself or the technology it discuesses. It could easily be copy-pasted to most any article about combustion engines. Technological improvement can be useful enough even if it doesn't "save the planet". Hacker News comments are for discussion of the article content, rather than being a soapbox for your views and blogposts.