Cars are mostly plastic by weight. Remember every extra pound means burning an e... | Hacker News

Hacker News new | past | comments | ask | show | jobs | submit

login

VLM on Feb 27, 2023 | parent | context | favorite | on: Plastic-based fuels may present an “unreasonable r...

Cars are mostly plastic by weight. Remember every extra pound means burning an extra Y gallons of fuel over the life of the car. Replacing plastic with steel would likely be a net loss environmentally speaking.

myshpa on Feb 27, 2023 | [–]

There are other materials we could use.

https://www.youtube.com/watch?v=Kgg0zpckGRU

https://www.youtube.com/watch?v=Hx8OTH0eEM0

https://www.youtube.com/watch?v=srgE6Tzi3Lg

maxerickson on Feb 27, 2023 | [–]

What?

A lot of the saved weight in cars is probably plastic, but the metal parts of the care pretty obviously make up the majority of the weight.

Engine, transmission, axles, suspension, frame/unibody, frequently body panels are steel, etc.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact