H.R.2426: To require the Secretary of Energy to award funds to study the feasibility of constructing dedicated ethanol pipelines, to address technical factors that prevent transportation of ethanol in existing pipelines, and to increase the energy, economic, and environmental security of the United States, and for other purposes.

Ethanol Infrastructure Expansion Act of 2007 - Directs the Secretary of Energy, in coordination with the Secretary of Transportation, to: (1) award up to $1 million to one or more eligible firms to conduct feasibility studies for the construction of one or more dedicated ethanol pipelines; and (2) award up to $1 million to one or more eligible firms to carry out a program to address technical factors that prevent the transportation of ethanol and biodiesel in existing hazardous liquid interstate transmission pipelines.