Reuters: Spanish producers of plant-based fuel forecast they will easily be able to market bioethanol after new legislation comes into force in the New Year, but will still face a surplus of biodiesel due to U.S. imports. Spain’s government has a mandatory target of 3.4 percent of automotive fuel used in 2009 to be derived from biofuel — measured by energy content — a level that will rise to 5.83 percent in 2010. Renewable energy association APPA estimates the new law will require at …