The rail line involved in the 2013 Lac-Megantic oil train derailment, which killed 47 people, now faces criminal charges for breaking Canadian safety and environmental laws. The disaster raised questions about oil train safety throughout North America.
A deal stopping Iran's nuclear program and lifting Western sanctions on the country would immediately push down oil prices, writes Nick Cunningham. The country has 40 million barrels of oil in storage and could ramp up production quickly.
Exxon Mobil is halting production at three offshore oil platforms because it has no way to transport its crude. In May, a pipeline breach spilled an estimated 100,000 gallons of oil along the scenic Santa Barbara coast.
Russia's state gas company will soon begin surveying for a pipeline through the Black Sea. That pipeline will carry Russian gas to Turkey and into Europe, sidestepping routes through Ukraine that have been shut off amid political disputes.