When you see bipartisan agreement on energy and transportation policy, it means one thing: truckloads of subsidies for well-connected big businesses touting some unproven high-tech "green" solution. Most green subsidies are mostly harmless (if also useless) -- such as solar and wind subsidies. But in recent weeks, lawmakers are lining up behind one green idea that could waste unprecedented amounts of resources -- venture capital, taxpayer money, intellectual innovation -- by approving vast new subsidies to make plug-in electric cars the dominant mode of transportation. A cabal of government-friendly big businesses -- ranging from lobbying king General Electric to made-for-subsidies...