B20 Efficiency Hummm
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Laughing Gas
Joined: Feb 2007
Posts: 950
Likes: 6
From: Waco, Texas
B20 Efficiency Hummm
Here are the BTU values for Diesel fuel:
Diesel #2[4] 0.88 US gallons 129,500 BTU/gal 37.95
Biodiesel (B100)[4] 0.96 US gallons 118,300 BTU/gal
Bio Diesel (B20)[4] 0.90 US gallons 127,250 BTU/gal
For those of us that have forgotten what a BTU is here is the definition:
A BTU is the amount of heat required to raise the temperature of 1 pound (0.454 kg) of liquid water by 1 °F (0.56 °C) at a constant pressure of one atmosphere
It seems pretty clear to me that Bio Diesel is less efficient than good ole #2.
Here is a link that shows the BTU's of other forms of fuels:
BTU's per gallon of differant fuels | JATO -Jet and Turbine Owners-
For those of us that are seeing a less mileage pulling our campers and trailers using bio, according to this chart, we are correct. B20 has less BTU's than #2, which equates to less work out of a certain volume of liquid.
Now I am curious on what the affects are on Altitude and Bio compared to good ole non bio?
Diesel #2[4] 0.88 US gallons 129,500 BTU/gal 37.95
Biodiesel (B100)[4] 0.96 US gallons 118,300 BTU/gal
Bio Diesel (B20)[4] 0.90 US gallons 127,250 BTU/gal
For those of us that have forgotten what a BTU is here is the definition:
A BTU is the amount of heat required to raise the temperature of 1 pound (0.454 kg) of liquid water by 1 °F (0.56 °C) at a constant pressure of one atmosphere
It seems pretty clear to me that Bio Diesel is less efficient than good ole #2.
Here is a link that shows the BTU's of other forms of fuels:
BTU's per gallon of differant fuels | JATO -Jet and Turbine Owners-
For those of us that are seeing a less mileage pulling our campers and trailers using bio, according to this chart, we are correct. B20 has less BTU's than #2, which equates to less work out of a certain volume of liquid.
Now I am curious on what the affects are on Altitude and Bio compared to good ole non bio?
Lead Driver
Joined: Feb 2005
Posts: 7,923
Likes: 2,642
From: The Great State of Texas
On the flip side I thought I read Bio diesel produces less soot particulates and therefore the truck can go more miles with less regens.
Perhaps the less regens could offset the reduced BTU's/reduced fuel economy in a DPF equipped truck?
Maybe someone can chime in on overall fuel economy on regular diesel vs. bio diesel.
Perhaps the less regens could offset the reduced BTU's/reduced fuel economy in a DPF equipped truck?
Maybe someone can chime in on overall fuel economy on regular diesel vs. bio diesel.
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Laughing Gas
Joined: Feb 2007
Posts: 950
Likes: 6
From: Waco, Texas
Good point! I wonder though does bio actually cause less pollution. The Electricity that make the bio, comes from where? The transfer of bio from plant to consumer causes how much pollution. This could go on an on. Bottom line, has anyone seen actual numbers, other than our lope sided governments point of view on Pollution figures? Not EPA numbers but an independent group with no interest in bio or pure diesel. We will probably never know.
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
Good point! I wonder though does bio actually cause less pollution. The Electricity that make the bio, comes from where? The transfer of bio from plant to consumer causes how much pollution. This could go on an on. Bottom line, has anyone seen actual numbers, other than our lope sided governments point of view on Pollution figures? Not EPA numbers but an independent group with no interest in bio or pure diesel. We will probably never know.
There are other impacts such as freshwater usage, too. Those crops need water and we won't be eating them.
I think our 6.7Ls are a good example of improved pollution control at the exhaust tips but it comes at a high cost in my opinion.
You have the engineering, more hardware components, additional fuel consumption and expense to consumers when something breaks, usually expensive hardware.
In addition, how much effort does it take to produce DEF which is more fresh water needed?
Same argument can be made for those who feel they're "saving the environment by not burning fuel" by driving an electrical car.
If you know their home power is provided by a coal fired power plant, that always gets their gears spinning.
Some of the new technology being placed into vehicles is great and it's certainly a good path for future improvement but how much real energy does it take to create efficiency in the eyes of the public; more or less?
You're right, we'll probably never know.
If something doesn't make sense, it came from Washington.
Post Fiend
Joined: Jan 2009
Posts: 6,521
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From: Greenwood, SC
Ya, it's funny how the circle of energy works.
Cleaner diesel, but we burn more of it.
Reduced NOx but ammonia and water consumed and evaporated.
400hp and 18mpg? Why don't they give us a 300hp option at 22mpg? 200hp and 26mpg?
Also, small saving or reduced consumption makes little difference but it does add up to real numbers eventually. I know I could throw a $1 bill out the window every day and it wouldn't effect my lifestyle, but after 1 year I would feel bad knowing I pissed away $365.
Cleaner diesel, but we burn more of it.
Reduced NOx but ammonia and water consumed and evaporated.
400hp and 18mpg? Why don't they give us a 300hp option at 22mpg? 200hp and 26mpg?
Also, small saving or reduced consumption makes little difference but it does add up to real numbers eventually. I know I could throw a $1 bill out the window every day and it wouldn't effect my lifestyle, but after 1 year I would feel bad knowing I pissed away $365.
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
Personally, I think the 6.7L is the perfect engine for a stock pickup. Staying within the limits of the truck, there is plenty of power.
If anyone gets to the point where they're constantly overloading this engine, they need a larger truck.
With Ford adding the gen-2 6.7L engine to the F650/750, I think Ford is confident this engine can handle quite a bit.
The issue is, the 'other guys' add a few more HP so you do too and at this rate, we'll be at 500 HP in 7 years.
If anyone gets to the point where they're constantly overloading this engine, they need a larger truck.
With Ford adding the gen-2 6.7L engine to the F650/750, I think Ford is confident this engine can handle quite a bit.
The issue is, the 'other guys' add a few more HP so you do too and at this rate, we'll be at 500 HP in 7 years.
Senior User
Joined: Apr 2013
Posts: 118
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From: San Francisco Bay Area
Just want to follow this thread. Great discussion. Hope it keeps going for a while.
My better half drives a Ford Energi plug-in hybrid. Not fully electric but she rarely puts any gas in it. But even if it were full electric, it won't ruffle my feathers if someone accused me of transferring pollution. I have 6500 watts of solar panels on my roof. Over the course of a year I use very little grid power if any. And eight large batteries power the house during power failures.
Actually it would be $365.25. Don't forget leap year.
Actually it would be $365.25. Don't forget leap year.
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Lead Driver
Joined: Jan 2010
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Just want to follow this thread. Great discussion. Hope it keeps going for a while.
My better half drives a Ford Energi plug-in hybrid. Not fully electric but she rarely puts any gas in it. But even if it were full electric, it won't ruffle my feathers if someone accused of transferring pollution. I have 6500 watts of solar panels on my roof. Over the course of a year I use very little grid power if any. And eight large batteries power the house during power failures.
Actually it would be $365.25. Don't forget leap year.
My better half drives a Ford Energi plug-in hybrid. Not fully electric but she rarely puts any gas in it. But even if it were full electric, it won't ruffle my feathers if someone accused of transferring pollution. I have 6500 watts of solar panels on my roof. Over the course of a year I use very little grid power if any. And eight large batteries power the house during power failures.
Actually it would be $365.25. Don't forget leap year.
You aren't the majority though even among those who have electric vehicles. Not many have your power configuration (which is quite a cool setup at 6.5kw btw).
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Senior User
Joined: Apr 2013
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From: San Francisco Bay Area
Having solar panels means you've put thought and a good amount of effort into supplying cleaner power for your needs.
You aren't the majority though even among those who have electric vehicles. Not many have your power configuration (which is quite a cool setup at 6.5kw btw).
You aren't the majority though even among those who have electric vehicles. Not many have your power configuration (which is quite a cool setup at 6.5kw btw).
---
2012 F-350 Lariat CC FX4 LB
Lead Driver
Joined: Jan 2010
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I don't know what it takes to manufacture a panel either plus you have the need for batteries which will last less time.
Cost per watt for solar (+batteries) used to be fairly high. I'm not sure if that's still the case.
Plus I'm not sure how many AL hail storms a residential grade panel could live through per year, that could get expensive long term.
Cost per watt for solar (+batteries) used to be fairly high. I'm not sure if that's still the case.
Plus I'm not sure how many AL hail storms a residential grade panel could live through per year, that could get expensive long term.
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