It’s easy to see the attraction for many consumers when it comes to diesel engines. After all they have a legendary reputation for reliability, power, and fuel economy. But do today’s environmentally friendlier versions rate that same image? Combusting diesel fuel in an automotive engine is quite different from gasoline. Diesel packs a bigger punch and therefore diesel engines are designed and built to withstand these greater forces. They have stronger crankshafts, bearings, and pistons among other things. Two of the few drawbacks to older diesels, in the eyes of many buyers, were their penchant for difficult starting in extremely cold weather, and noisy operation. Today’s modern diesels,...
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