Ultra-Low Sulfur Diesel Fuel phase-in has begun
Interestingly enough, these new engines when being fueled by ULSD will likely return worse fuel mileage than current models. Significantly reducing the sulfur content of the fuel also serves to lower the energy content, as well. That means more fuel is needed to produce the same amount of power as before, although using ULSD will mean a 90-percent reduction in polution caused by heavy highway vehicles.
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