Under the proposal, the Environmental Protection
Agency and Department of Interior will issue measures to contain
leaking methane, a potent greenhouse gas, from new drilling
equipment and from old and new production facilities located on
public lands, officials said.
The new rules would take effect in 2016 and aim to cut emissions
by up to 45 percent from levels recorded in 2012, they said.
Methane emissions, the second largest source of greenhouse gas
emissions with 9 percent of output in 2012, are expected to rise
if unregulated.
As the Obama administration continues to address climate change
through executive measures, the oil and gas sector had been one
of the remaining areas in which the federal government had left
to seek emission cuts.
Environmental groups have pushed for months for strict mandatory
curbs on methane output, while industry groups have tried to
convince officials that the sector's own voluntary measures have
already made strides in reducing emissions.
(Reporting By Valerie Volcovici and Jeff Mason; Editing by Doina
Chiacu)
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