By Adam Wilmoth Energy Editor awilmoth@oklahoman.comAs U.S. producers continue to ramp up oil and natural gas production, the new supply is creating challenges and opportunities for new and expanded markets throughout the region and the world. At the same time, increasingly vocal and active groups are challenging new pipeline projects. A pair of bills working their way through Congress could make it easier for such pipeline and infrastructure projects to be approved. The House this week approved the Promoting Cross-Border Energy Infrastructure Act, sponsored by Rep.Read more on NewsOK.com