For the month of April, luxury carmakers (including Daimler AG’s Mercedes-Benz division, BMW brand, Bentley, Rolls-Royce, Lamborghini and Land Rover) made strong gains in European auto production.The 2010 results are expected to come out favorably against the April 2009 period when sales dropped due to the global financial crisis and Europe’s incentive program that favored small cars. With the