Some concerned with fuel source of new gas station

2 years 8 months 1 week ago September 15, 2014 Sep 15, 2014 Monday, September 15 2014 Monday, September 15, 2014 9:15:00 PM CDT in News
By: Tiege Dooley-Panko, KOMU 8 Reporter
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COLUMBIA - The new compressed natural gas station in Columbia is projected to save millions of dollars for the city, but some people are worried about the way the gas is being produced. Some fear hydraulic fracturing could be involved. 

According to the EPA, hydraulic fracturing is a well stimulated process used to maximize the extraction of underground resources. In this case, the resource is compressed natural gas.

Basically, drilling companies send liquids made up of sand, water, and chemicals down below the Earth's surface until it hits shale rock. When the liquid gets to the shale rock, the pipe extends horizontally and the high pressure of the liquid breaks the shale rock down to release compressed natural gas that is then extracted for use.

Many Columbia energy experts agree that the recent increase in fracking around the United States is why the natural gas prices are lower and can be linked to big savings for cities with compressed natural gas stations. Fracking is the easiest and most cost efficient way for drilling companies to get natural gas.

Some people are concerned about the chemicals used in the process and the potential dangers they present.

Associate Professor of Obstetrics and Gynecology Susan Nagel has been studying the effects of hydraulic fracturing, or fracking, on human health and development for four years.

"We are very concerned about the potential for human exposure and wildlife exposure to these types of chemicals," said Nagel. "These chemicals are associated with infertility that are associated with changes in behavior, particularly when babies are exposed when a mom is pregnant. They can mean lifelong changes in behavior and the ability to get pregnant and increase the risk for cancer."

Clean Energy, a California-based compressed natural gas distributor, just built the new compressed natural gas station in Columbia at 1900 Lake Ridgeway Drive. The station is the first of its kind in Mid-Missouri. There are already stations in St. Louis and Kansas City.

Click the icons on the map below to find out how many compressed natural gas stations there are in each state. The icons are not associated with the geographic location of the compressed natural gas stations in their respective states.

There are 750 compressed natural gas stations in the United States and that number is projected to grow according to energy experts. 

Clean Energy representative Peter Grace said the station gets compressed natural gas from two sources. First, he said Ameren sends local natural gas to the station that is then compressed there and ready to be used. Then, the other compressed natural gas comes from an underground pipeline that runs across the United States. That is where the questions of hydraulic fracturing come in.

A Columbia energy expert said knowing just where and how all of the compressed natural gas comes from is hard to determine because many drilling companies contribute to the pipeline source.

But 25 percent of compressed natural gas in the United States is produced using hydraulic fracturing so some of this gas from the pipeline is likely to come from hydraulic fracturing according to a group of Columbia energy experts.

When asked if Clean Energy had anything to do with hydraulic fracturing, Grace said no. But when asked if the drilling companies they do business with did, he didn't have a definite answer.

"We just buy the gas, we don't know how it's produced," Grace said.

Fleet operations manager for Columbia Eric Evans said hydraulic fracturing has nothing to do with the new compressed natural gas station in Columbia.

"We don't frack. Clean Energy doesn't frack. Ameren doesn't frack. These are the drilling companies that do that," Evans said.

But Nagel said they could be connected.

"They are loosely associated," Nagel said. "A quarter of the natural gas in the states right now is produced by fracking or unconventional drilling."

Third Ward City Council member Karl Skala said fracking and its effects still need to be investigated, but in the meantime the city should take advantage of the diversified fuel options available.

"From a city policy perspective, I'm not as worried about fracking as I am about the cost of fueling some of our vehicles," Skala said.

Skala said the city estimates saving $1 million a year on fuel for its fleet by using the compressed natural gas in vehicles.

The city has a 15 year contract with Clean Energy. When that time is up, the city can chose to renew the contract, buy the station, or close it.

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