Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
The weakening of oil prices in the past six months may — just may — presage the ending of the long recession. Will the oil consumers have the wit to see what they must do now?
