Mercedes-Benz Invests 3 Billion Euros ($3.35 Billion) in New Diesel Engines

Taking a break from all the hybrid and electric talk, Mercedes-Benz is back to what European carmakers know how to do best: diesel engines. The oil-burning power plants have gone a very long way during the last few decades, changing from something that was only deemed worthy of powering a truck, to making their way under the hood of luxury limousines. And, would you believe it, sports cars as well. That doesn’t mean it hasn’t ha…