Florida Marine Diesel Mechanic RPM Diesel is a Florida Marine Diesel Mechanic with years of Experience. What Makes Marine Diesel great? Fueling is much better for diesel engines than tradfitionmal gas. Diesel fuel typically costs about 20% more than gasoline, and even with the dramatic price increase in the last decade, the savings are still significant. For example, in 2000, a 10,000-gallon gas tanker would have cost about $160,000 to fuel with diesel, compared to about $50,000 for the same truck using diesel. The savings in fuel costs are significant because fewer engines are required, less maintenance is required, and less damage is caused by…