More Good News on Emissions
Posted February 16, 2017
There’s a lot of good news to be found in EPA’s draft Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2015, which came out this week – all of it underscoring progress, much of it led by industry, in reducing emissions – even as American consumers and the U.S. economy are supplied the energy they need.
First, overall GHG emissions declined 150.1 million metric tons (MMt) or 2.2 percent from 2014 to 2015. Much of that reduction (137.3 MMt) is in lower emissions from electricity generation (down about 6.7 percent from 2014 to 2015). EPA:
The decrease in total greenhouse gas emissions between 2014 and 2015 was driven in large part by a decrease in CO2 emissions from fossil fuel combustion. The decrease in CO2 emissions from fossil fuel combustion was a result of multiple factors, including: (1) substitution from coal to natural gas consumption in the electric power sector …
Here’s a look at the decline in CO2 emissions associated with generating electricity:
According to the U.S. Energy Information Administration, total natural gas use increased 2.7 percent from 2014 to 2015, and gas consumption for electric power increased 18.7 percent. Net electricity generated from natural gas increased more than 204,000 thousand megawatthours from 2014-2015. Below, the change in net electricity generation by energy source 2014-2015 (thousand megawatthours):
What we see is the growth of cleaner-burning natural gas as the fuel for generating electricity, the main reason CO2 emissions have fallen.
At the same time, as industry produces more and more natural gas, the production process itself is improving, becoming cleaner and helping improve air quality. In its draft inventory, EPA reports that methane emissions (CH4) from natural gas systems fell 0.8 MMt from 2014 to 2015 (0.5 percent), while methane emissions from petroleum systems fell 3.4 MMt (7.6 percent). Over the longer term, the decreases are even larger – since 1990, down 18.6 percent for natural gas systems and down 28.8 percent for petroleum systems. EPA:
From 1990 to 2015, CH4 emissions from petroleum systems decreased by 16.8 MMT CO2 Eq. ... Production segment CH4 emissions have decreased by around 8 percent from 2014 levels, primarily due to decreases in emissions from associated gas venting and flaring.
Basically, producers, under existing rules and industry standards, are capturing more methane (the main component in natural gas) for delivery to individual consumers and businesses.
That’s a great environmental development – one that should guide policymakers as they consider repealing the federal Bureau of Land Management’s (BLM) redundant and technically flawed venting and flaring rule that went into effect last month. Simply put, methane emissions are falling, and it's not because of BLM's duplicative and potentially damaging rule. Industry is advancing emissions reduction technologies because it is incentivized to capture methane, a product it sells. The rule simply isn’t needed.
Although BLM lacks statutory authority and expertise to regulate air quality – that authority belongs to and is being exercised by EPA and the states – it did so anyway. The rule could result in the shutting in of a number of wells in areas under federal control, possibly reducing the availability of natural gas supplies for consumers and potentially decreasing revenues to government.
The U.S. House voted recently to repeal BLM’s rule under the Congressional Review Act (CRA), and a vote is expected in the Senate. The Senate should follow the House’s lead and vote for repeal, because BLM’s rule duplicates EPA and state government efforts to regulate the air quality and is beyond the scope of BLM’s legal authority. The BLM rule could affect company investment decisions, including decisions not to drill at all or to shut-in existing production, on federal lands. These significant impacts could adversely impact small businesses and drive down federal revenues for local communities.
We can’t stress enough: Continued implementation of this rule could hinder production and impact revenues to government. Congress should complete the repeal of BLM’s rule under CRA and send it to President Trump for signature.
Then both can look to streamline federal permitting and approve needed infrastructure – to promote safe and responsible energy production on federal lands, which in turn will bring in more revenue to government.
About The Author
Mark Green joined API after a career in newspaper journalism, including 16 years as national editorial writer for The Oklahoman in the paper’s Washington bureau. Mark also was a reporter, copy editor and sports editor. He earned his journalism degree from the University of Oklahoma and master’s in journalism and public affairs from American University. He and his wife Pamela live in Occoquan, Va., where they enjoy their four grandchildren.
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