[ars]

> Similarly, plastics sourced from biological sources are better.

What makes them better? Seriously. What is better about cycling them through a plant first?

You need hydrogen and carbon to make that plastic. You can get them from anywhere, it makes no difference whatsoever if a plant hold them for a while first.

It's energy that matters.

[kaybe]

Waste is important too, in this case notably the gaseous one.