President Obama will announce Tuesday that the federal government will further tighten fuel efficiency for medium- and heavy-duty trucks, according to a White House official, as part of the president's ongoing effort to use his executive authority to address climate change.
Obama's directive to the Environmental Protection Agency and the Department of Transportation, which he will announce at the Safeway distribution center in Upper Marlboro, Md., marks the second time he has mandated a cut in fuel consumption and carbon emissions from larger trucks. This category, which encompasses all vehicles weighing more than 8,500 pounds, ranges from large pick-up trucks and school buses to massive 18-wheel tractor-trailers.
The sign is ubiquitous on city buses around the country: "This bus runs on clean burning natural gas."
But a surprising new report, to be published Friday in the journal Science, concludes that switching buses and trucks from traditional diesel fuel to natural gas could actually harm the planet's climate.
Although burning natural gas as a transportation fuel produces 30 percent less planet-warming carbon dioxide emissions than burning diesel, the drilling and production of natural gas can lead to leaks of methane, a greenhouse gas 30 times more potent than carbon dioxide.
A 120-car Norfolk Southern Corp train carrying heavy Canadian crude oil derailed and spilled in western Pennsylvania on Thursday, adding to a string of recent accidents that have prompted calls for stronger safety standards.
There were no reports of injury or fire after 21 tank cars came off the track at a bend by the Kiskiminetas River in the town of Vandergrift, according to town and company officials.
Nineteen of the derailed cars were carrying oil and two held liquefied petroleum gas, Norfolk Southern said. Three of the crude tank cars spilled after the incident, though the leaks have since been plugged. The company did not say how much oil spilled.
The train was heading from Conway to Morrisville, Pennsylvania. Some of the crude on board was destined for an asphalt plant in Paulsboro, New Jersey, owned by NuStar, a NuStar spokeswoman said.
State environmental officials and expert firefighters brought in by Chevron have been continuing to monitor a burning Marcellus Shale natural gas well in southwestern Pennsylvania.
The well about 50 miles south of Pittsburgh in Dunkard Township erupted into flames shortly before 7 a.m. Tuesday, injuring one worker and leaving one still unaccounted for early Wednesday.
State Department of Environmental Protection officials say the fire may burn for days, delaying efforts to determine its cause.
State and local regulators said Wednesday they'll consider a sweeping environmental review of the effects of a proposed terminal along the Columbia River in Washington that would export millions of tons of coal to Asia.
The review of the $650 million Millennium Bulk Terminals project will consider effects that extend well beyond the site, including the global-warming effects of burning the exported coal in Asia and rail impacts as coal is shipped by train from the Rockies throughout the state, including passage through Spokane.
The announcement represents a victory for project opponents, who had pushed for a more comprehensive study.
Inspectors are looking into the cause of a coal slurry spill in West Virginia's eastern Kanawha County after it blackened six miles of a creek, officials with the state Department of Environmental Protection said Tuesday.
More than 100,000 gallons of the coal slurry is believed to have flowed into Fields Creek, a tributary of the Kanawha River, officials said. Inspectors are testing the water to determine exactly how much leaked into the creek, the officials said.
The spill at Patriot Coal was caused when a valve inside a slurry line malfunctioned, the state environmental protection officials said.
The company behind Keystone XL ultimately could tweak its pipeline proposal in order to sidestep the requirement for a presidential border-crossing permit, according to communications with landowners residing along its proposed route.
TransCanada Corp. did not disclose how it might further shake up the $5.4 billion pipeline, which remains in limbo as the State Department begins the next phase in a years-long review, in the proposed easement agreement obtained by Greenwire from a Nebraskan landowner requesting anonymity. But the company's desire to leave its options open is apparent in its letter.
Researchers of an independent report on one of the largest ongoing oil releases in Alberta history say the provincial regulator and industry must do more to inform the public about the scale and impact of massive bitumen seepage in the oil sands.
For nearly a year now, more than 12,000 barrels of bitumen mixed with water have seeped through several long cracks (some as long as 100 meters) in the forest floor near four wells owned by Canadian Natural Resources Ltd. (CNRL) in the Cold Lake region.
To date, the Calgary-based company has spent nearly $40 million in cleanup operations that have involved the removal of 70,000 tonnes of earth. It also pumped 404,378 cubic meters of water out of a small lake to clean up two large bitumen fissures.
Environmental groups are stepping up efforts to convince Canadian authorities to reject a major new pipeline to the east coast, with one think tank saying on Thursday that filling the new line would generate up to 45 percent more carbon emissions than the controversial Keystone XL.
The estimate by the Pembina Institute, which has opposed oil sands development, is the latest salvo in the battle by some groups to block plans to build new pipelines from Canada's oil patch. Greenpeace, the Council of Canadians and other groups have previously spoken out against Energy East.
EDEN Dump trucks and backhoes filed into Duke Energy's Dan River power plant Tuesday as officials worked to plug a leaking storage pond that dumped enough coal ash into the river to fill 20 Olympic swimming pools.
Pond water continued to leak from a 48-inch stormwater pipe that broke Sunday, washing at least 50,000 tons of ash carried by 24 million gallons of water into the Dan. Coal ash contains metals that can be toxic at high concentrations.
Engineers and contractors searched for a permanent way to fix the break before turning their attention to a cleanup.