Diesel engines could last longer than their gasoline-fueled counterparts thanks to their low-revving, torque-rich operation and sturdier construction. A typical diesel engine could hit upwards of 350,000 miles before needing an expensive rebuild, while gas engines require overhauling every 150,000 to 200,000 miles. Despite their longstanding reputation, diesel engines require periodic maintenance, specifically with the fuel system. The proliferation of ultra-low sulfur diesel (ULSD) fuel has cut sulfur dioxide emissions by up to 90% — as well as a
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