The milky substance under your oil cap indicates a minor or major mechanical problem. Knowing how it got there is more important than knowing what it is.

Besides the oil cap’s price, the other big wild card is Russia’s response to it. Russian officials have said they will not sell oil to countries that are part of the price cap coalition, ...

At current oil price cap levels, Russia is earning about the same as it did before talk of a Ukraine invasion started driving prices up. Russia earned about $15 billion in June and July 2021, ...