AFP: The European Union’s energy chief Wednesday unveiled an ambitious 10-year trillion-euro energy investment plan for a single EU energy network to cut fossil fuel imports and fight climate change. “There is no single energy market,” Energy Commissioner Guenther Oettinger told a news conference. “We need to render energy European.” Europe’s current system was “like 19th century dukedoms rather than a modern open Europe,” he said. His proposals, geared to face up to what he called “one of Europe’s…