The chemical industry depends very heavily on petroleum, natural gas, and natural gas liquids as sources of raw materials.

化学工业的原材料来源严重依赖石油、天然气和液态天然气。

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Since June 2010, according to the Texas Petroleum Institute, the oil and gas industry has added about 28,600 jobs.

自2010年6月以来，根据德州石油协会的统计，石油和天然气产业已经为德州增加了28600个工作岗位。

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Since June 2010, according to the Texas Petroleum Institute, the oil and gas industry has added about 28, 600 jobs.

自2010年6月以来，根据德州石油协会的统计，石油和天然气产业已经为德州增加了28600个工作岗位。

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Even more rules and regulations from the Environmental Protection Agency (EPA) to inhibit the drilling of petroleum, natural gas and the inevitable extinction of the coal industry.

FORBES: Is Diversity the Secret Key to America's Economic Renewal?

"If you're disclosing and the other guy doesn't have to, you're not really on a level playing field, " says Chris Joyner, a spokesman for the American Petroleum Institute (API), an industry group for oil and natural gas companies.

FORBES: Magazine Article

Chesapeake competes with Anadarko Petroleum, Exxon Mobil, ConocoPhillips, BP, Chevron and Massey in the natural gas industry.

FORBES: Chesapeake Can Hit $33 By Stepping On The Gas