If you’ve shopped for a new car or SUV in recent years, you might have noticed the increasing prevalence of turbodiesel engines in the lineups of cars, trucks, and SUVs offered by modern automakers. Rudolf Diesel built his first engine prototype in 1893, but the first diesel-powered car, a Cummins-powered Packard, didn’t come around until 1929. That engine — like most of the ones used in passenger cars and light trucks through the mid-20th century — was naturally aspirated,
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