(Scott Olson/Getty Images)

Valero sues EPA over ethanol standard

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The suit filed in the U.S. Court of Appeals in Washington Friday comes three months after the Obama administration announced it would not raise ethanol levels as high as the 2007 Renewable Fuel Standard, signed into law by President George W. Bush.
( Johnny Hanson / Chronicle )

Rig count tumbles again

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The total rig count, which when including natural gas rig fell by 30, now stands at 541.
The sun sets beyond an oil pumping unit, also known as a "nodding donkey" or pumping jack, at a drilling site operated by Tatneft OAO near Almetyevsk, Russia, on Friday, July 31, 2015. Eleven months of surviving with oil below $100 have left Russia hardened enough to endure a monthlong drop to $40 a barrel, a survey of economists showed. Photographer: Andrey Rudakov/Bloomberg

Moody’s downgrades eight oil cos. in round of ratings adjustments

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The debt-rating agency is currently reassessing its energy company ratings after continued low oil and gas prices led it to worsen its outlook for the sector.
(AP Photo/Paul Sakuma)

Calpine counts net loss after mild weather and weak power prices

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The company took a $36 million hit from having part of its geothermal power complex, The Geysers, offline during the California Valley fire.
Porter Ranch Estates sit at the foothills near a Southern California Gas Co. gas well that had been leaking methane daily since October.
(AP Photo/Michael Owen Baker)

Massive gas leak near Los Angeles plugged after 16 weeks

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At its peak, the leak was estimated to contribute about a quarter of California’s climate-altering methane emissions, leading some to call it the worst environmental disaster since the 2010 BP oil spill in the Gulf of Mexico.
Categories: Accidents, Natural gas
In this March 25, 2014 photo, a worker oils a pump during a hydraulic fracturing operation at an Encana Corp. well pad near Mead, Colo. The first experimental use of hydraulic fracturing was in 1947, and more than 1 million U.S. oil and oil wells have been fracked since, according to the American Petroleum Institute. The National Petroleum Council estimates that up to 80 percent of natural oil wells drilled in the next decade will require hydraulic fracturing. (AP Photo/Brennan Linsley)

Democrats introduce anti-drilling bill in House

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Called the “keep it in the ground act” act, the bill led by Rep. Jared Huffman, D-California, would apply to all federal lands and waters, including the Gulf of Mexico.
(Brett Coomer/Houston Chronicle)

At NAPE, industry still waiting for oil’s rock bottom

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Once oil companies are confident prices will improve, analysts expect a wave of deals.
(Scott Dalton/Bloomberg)

TransCanada falls to a loss after $2.1 billion charge on Keystone XL

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TransCanada announced Thursday it had booked a US $2.1 billion charge related to its now-rejected Keystone XL pipeline.
Huntsman posted higher third-quarter earnings despite an unplanned outage at its Port Neches plant. ( Brett Coomer / Chronicle )

Huntsman Corp. posts small profit despite shrinking revenues

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Despite keeping its earnings positive, the chemical products manufacturer saw its quarterly revenues decline by 23 percent.
LNG storage tanks are seen at Cheniere's Sabine Pass LNG facility.  (J. Patric Schneider)

Williams to pipe gas to Cheniere, Freeport LNG Texas projects

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The arrangements come as U.S. LNG export projects are increasingly under pressure amid the continuing rout in global commodity prices.