I don't think many people really understand how awful automobile-scale internal ... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		cosmic_cheese 87 days ago \| parent \| context \| favorite \| on: Adoption of EVs tied to real-world reductions in a... I don't think many people really understand how awful automobile-scale internal combustion engines are at efficiency. The only reason they work at all is thanks to the absurd energy density of the fuels they burn.

heresie-dabord 86 days ago [–]

8.9 kWh / litre of petrol [1]

But more than 60% of that is lost as heat. The inefficiency increases in colder temperatures.

[1] _ https://natural-resources.canada.ca/energy-efficiency/transp...

Consider applying for YC's Summer 2026 batch! Applications are open till May 4
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact