By Ben Geman - 01/25/13 06:15 PM EST
They rolled out a broad proposal that blended wider offshore drilling with major new investments and incentives around electric vehicles and biofuels, as well as measures to support nuclear power.
The 2008 plan called for raising billions of dollars to support green energy investments by repealing or limiting some oil-and-gas industry tax breaks.
But the effort, after gaining traction initially, sputtered and fell apart amid intense election-season battles over high oil and gasoline prices.
Conrad and Chambliss tried to revive the energy “gang” in 2011 but it didn’t take flight.