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Old 10-13-2014, 06:11 AM   #43
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It would sure be nice for the trucks and trains to start using CNG more... You'd be amazed at how much diesel fuel the railroads use. Granted they move a ton of freight for many miles per gallon of fuel... but there are SO MANY tons to move... If the trucking industry and railroads had not exploded in the past couple of decades, our diesel prices would still be less than unleaded... where they used to be. Probably just wishful thinking...
Demand for diesel only plays a small role in the price. As I recall reading not that long ago, it's the cost of refining the new low sulfur blends that is primarily responsible for the increased cost at the pump.
The diesel we have today is far more pure than the barely cracked fuel oil we used to run. I can only imagine how long one of our current generation engines would run on the diesel we had 15 years ago.. With high pressure fuel pump failures costing as much as $10k to replace along with filters, I don't mind paying a little more for the better fuel.
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Old 10-13-2014, 10:58 AM   #44
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Originally Posted by Big-Foot View Post
Demand for diesel only plays a small role in the price. As I recall reading not that long ago, it's the cost of refining the new low sulfur blends that is primarily responsible for the increased cost at the pump.
The diesel we have today is far more pure than the barely cracked fuel oil we used to run. I can only imagine how long one of our current generation engines would run on the diesel we had 15 years ago.. With high pressure fuel pump failures costing as much as $10k to replace along with filters, I don't mind paying a little more for the better fuel.
Actually the older fuels with more sulfer would be much better than what we have today. There is far less lubrication in current fuels than older diesel.
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Old 10-13-2014, 11:17 AM   #45
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Actually the older fuels with more sulfer would be much better than what we have today. There is far less lubrication in current fuels than older diesel.
Overseas they are using the higher sulphur diesel and their engines are every bit as sophisticated as ours. The diesel is much cheaper than petrol (gas) so I agree, it's the extra steps we require our fuel go through here in the U.S.
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Old 10-13-2014, 03:47 PM   #46
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Overseas they are using the higher sulphur diesel and their engines are every bit as sophisticated as ours. The diesel is much cheaper than petrol (gas) so I agree, it's the extra steps we require our fuel go through here in the U.S.
Its all about being able to wrap your lips around the tail pipe and being able to breath the exhaust. I think emissions regulations is a good thing however sometimes I think it gets a little to ridiculous.
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Old 10-14-2014, 08:10 AM   #47
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Actually the older fuels with more sulfer would be much better than what we have today. There is far less lubrication in current fuels than older diesel.
I don't deny that the higher sulfur content would be better from a lubrication & wear perspective - just like a higher Zinc (ZDDP) content in motor oils is better for our engines. Fact of the matter is that they are not better for our health. The rest of the story as I have been told by a friend of mine who has spent the last forty years as a Petrochemical Engineer told me a couple months ago - the process of refining the sulfur out of the fuel has yielded a far better fuel with exponentially fewer contaminants in it which used to be called "inert ingredients".. It also helps with extended drain intervals of the motor oil now going to a factory recommended 10k miles in many cases.. Oil analysis by Blackstone Labs confirms this for a number of people.
I am not sure that introducing different lubricants to the fuel is the answer. I do think that redesigning the fuel system or augmented lubrication of the internals would be the more likely and better solution.
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