State regulators have allowed the Beaver County ethylene plant to keep exceeding limits on damaging nitrogen oxides while the official permitting process has taken seven times its original timeline.

Natural gas-based processes could be alternative for ethane crackers, oil refineries, California-based technology developer tells DownstreamToday. A California-based company claims that it has found a ...

Shell's final decision on whether to build the <a href="http://www.bizjournals.com/pittsburgh/blog/morning-edition/2012/04/is-pa-on-cusp-of-manufacturing-revival.html ...

An increase in ethane cracking contributed to reduced coproduct propylene supply during first-quarter 2008. Because gas-plant ethane production will likely continue to increase during second and third ...