Reuters: Europe’s efforts to wean itself off costly oil imports suffered a setback on Tuesday when a European Parliament panel threw out plans for speed-limiters on vans and light trucks. In the finely balanced vote, the parliament’s environment committee approved the main goal of the regulation — cutting van emissions by around 14 percent to an average of 175 grams of carbon dioxide per kilometer by 2016. But that target is widely seen as unambitious, given rapid gains in efficiency …