Heating oil is partly an economic indicator, just like gasoline. When budgets are tight, people turn down the heat, decreasing demand. I also agree though, there's only a certain amount you can turn it down...

Jarheads are my favorite species.
My best friends are retired Marines.
Don't know how that happened. I was a squid. har har. One of my Marine friends
says that I'm a lower form of life. That's why
I call him a species. It's all in fun.
Thank you for your service Marine.

I like your quote. Never saw that one before. I am in the same pursuit! Semper Fi - thanks for your service. Saw you plan to do a solar installation. Hope it goes well.