> Or imagine robotic trucks full of sweet crude cruising down from Alberta. It's unlikely that robotic trucks can compete with Buffet's railroads. (According

> Or imagine robotic trucks full of sweet crude cruising down from Alberta. It's unlikely that robotic trucks can compete with Buffet's railroads. (According to industry definitions, Albert's crude is not "sweet".) Then again, railroads can't compete with pipelines when it comes to transporting oil. Good thing we stopped that.