Source: Oil and Gas Russia — which supplied roughly 40% of the EU's gas last year — has drastically reduced flows to Europe in recent weeks, citing faulty and delayed…

Source: Oil and Gas Warren Buffett has backed this stock. But a Morningstar analyst gives it a two-star rating and a fair value estimate significantly below what it's trading at.…

Source: Oil and Gas Dr. Mehmet Oz is siding with the energy industry after his nonprofit and later campaign received massive donations from heads of the oil and gas sectors.…