"Six states are scheduled to increase their gas taxes on July 1 to help pay for transportation projects, according to the Citizens for Tax Justice and the Institute on Taxation and Economic Policy (ITEP)."

"New York formalized its ban on high-volume hydraulic fracturing for natural gas on Monday, concluding a seven-year environmental and health review that drew a record number of public comments."

"U.S. Coast Guard and police boats cleared a way through protesters in kayaks at a Seattle-area port on Tuesday so Royal Dutch Shell's second of two Arctic drilling rigs could depart for Alaska."

"Just over a month after California experienced its worst oil spill in decades, the state is considering allowing a company to triple its oil production off the coast of Santa Barbara and run the oil through the same pipeline that leaked on 19 May."

"The Oklahoma Supreme Court ruled Tuesday that a woman injured in a 2011 earthquake can file suit in district court against the two energy companies she accuses of causing the quake."

"Californians most exposed to the risks of oil train derailments or fires overwhelmingly live in poorer, minority neighborhoods, two environmental groups in the state said on Tuesday."

"Sometime this summer, a United Airlines flight will take off from Los Angeles International Airport bound for San Francisco using fuel generated from farm waste and oils derived from animal fats."

"The U.S. Supreme Court rejected appeals from BP Plc and Anadarko Petroleum Corp. and left intact a ruling that opens the companies to potentially billions of dollars in fines for the 2010 Gulf of Mexico oil spill."

"The Supreme Court ruled [Monday] that the Obama administration unlawfully failed to consider compliance costs before it issued its landmark power plant emission limits for mercury and other hazardous pollutants."