Heavy Crude Loses Its Shine for Refiners
U.S. refiners that turned to cheaper, dirtier crude oil in recent years in a bid to boost profits are seeing the strategy backfire as supplies of the oil dwindle.
In past years, many of the nation's refiners invested in pricey equipment to process so-called heavy crude, a more viscous grade of oil that usually contains more contaminants such as sulfur and nickel.
Source: Wall Street Journal















