The next big threat to oil prices isn’t from OPEC or Bakken shale. It’s Russian samovars, or teapots. Simple refineries that process crude into fuel oil are scaling back, because when oil prices slump, the government reduces the discount that these refiners — known as teapots to those in the industry — get for exporting fuel. They use less crude, freeing it up for sale abroad, which in turn adds to the global glut. Russia may increase oil exports by as much as 250,000 barrels a day this year, according to James Henderson, a senior research fellow at the Oxford Institute for Energy Studies who’s […]