House Energy and Commerce: Joe Barton (R-TX), if he can get a term-limit waiver. Otherwise Fred Upton (R-MI) or John Shimkus (R-IL).
House Transportation and Infrastructure: John L. Mica (R-FL)
House Natural Resources: Doc Hastings (R-WA), and see also this article.
House Appropriations Subcommittee on Interior and Environment: Mike Simpson (R-ID)
House Committee on Oversight and Government Reform: Darrell Issa (R-CA)
House Select Committee on Energy Independence and Global Warming: If committee is not abolished by GOP, then: James Sensenbrenner (R-WI)
House Agriculture: Frank Lucas (R-OK)
House Science and Technology: Ralph Hall (R-TX)
FURTHER INFO ON CHAIRMANSHIPS:
"A Look at Who's on Tap To Lead House Committees Under the New Gop Majority" (Washington Post)
"Factbox: Views Of Republicans To Lead Key Energy Committees" (Reuters)
New Faces To Chair House Environment, Energy Panels
Source: Wash Post, 11/05/2010