How they voted - Chicago Post-Tribune - OIL EXPORTS AND KEYSTONE XL PIPELINE: The House rejected an amendment sponsored by Rep. Edward Markey, D-Mass., to the Protecting Investment in Oil Shale the Next Generation of Environmental, Energy, and Resource Security Act (H.R. 3408). The amendment would have required oil transported by the Keystone XL pipeline to be used in the U.S. unless a presidential waiver was granted on the grounds that exporting the oil would not increase prices or would not increase dependence on imports from hostile nations. The vote, [...]