Cummins Ethos E85 Turbo Four-Cylinder Engine Unveiled

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Cummins Ethos E85 Turbo Four-Cylinder Engine Unveiled

Cummins is looking to the future with a turbocharged four-cylinder E85 engine.

Yesterday, the company unveiled its new Ethos 2.8-liter turbocharged four-cylinder engine that runs on E85 and provides 250 hp and 450 lb-ft of torque. The engine is being developed with partial funding from the California Energy Commission in hopes of producing a low-carbon, medium-duty commercial engine.

SEE ALSO: 2016 Toyota Tundra to Come With Cummins Diesel

According to Cummins, the engine has specific tuning to take advantage to take advantage of the unique properties found in E85 and is projected to cut CO2 emissions by as much as 50 to 58 percent on corn-based ethanol and as much as 75 to 80 percent with cellulosic-based ethanol. The company is currently testing the powerplant with an Allison 2000-series transmission with auto start-stop to further enhance fuel economy.

Still currently in the testing phase, no timeline for production or availability has been announced.

  • Chris_in_Kalifornia

    E85 diesel? or E85 gasoline? I’ve never heard of E85 diesel. I’d love to have a nice modern 4 or 6 cyl inline diesel that’s light enough to put in my 69 mustang. Having something that different that gets awesome fuel mileage would be so cool.

  • 4door_supra

    E85 is 85% ethanol alcohol 15% gasoline.

  • John Ceccarelli

    I run a Drag Car that I use E98R and up to E110R its a Renegade Race Fuel even in the original E85R version this fuel makes a motor last so much longer as it runs alot cooler. Even when your driving these cars under the most Extreme conditions you can tell the difference with the R versions of this fuel. My current new project is running on 110 octane which is hard to find and cost me $7.30 a gallon I can convert this car to run on the E85R, E98R for $425.00 and save almost 3.00 per gallon its still hard to find in the Race versions but makes way better power more consistant time slips and is way better on the motor keeping High engine temps under control. Alot of people want to discount the usefull properties of E85 mainly because of the way our fuel stations handle the E85. Its a much more complex fuel than we have ever had and requires a whole different way to store it as ethanol will attract moisture if kept the same way gasoline is kept. This moisture makes the fuel operate poorly in every day use as our Government has not stepped up and made the oil company’s store this fuel at their facility’s in a manner which keeps it fresh. Of course this would take away from the ability to buy it at a good price at your local fuel station. But the people who sell Race fuel still sell this fuel for a profit but are able to keep it pure and clean and the Race versions really can bring out the best in any type of race vehicle with a simple coversion to the Carb and fuel system. I love the Race versions of the E85R its all in the way its made and stored keep up the great work VP race fuels Renegade Race Fuels and other Company’s who recognise the importance of selling the customer a cleaner more pure version of what they should be getting from the big money oil company’s.

  • kell490

    Be careful running E85 at high boost I have melted a few pistons it would not run as high boost as we could get with race gas but we took a few lbs off and it worked fine we ran it on the rich side. I wanted to play around with 100% alcohol I suspected the 15% gasoline that is in E85 was the issue but I would have build my own still never did it we could not get anything but E85 here.

  • T.Lynch

    diesels dont have spark plugs.

  • Bob

    Lynch. You are a friggin GENUIS!!
    Many years ago, International had a Diesel that had spark plugs.
    It started up on gasoline then switched over to diesel.
    Let the fun begin………

  • kitko100

    nice modern 4 or 6 cyl inline diesel that’s light enough to put in my 69 mustang you say. I say VW TDI, I get 42 mpg with an automatic.

  • big fish

    I cant wait to own one

  • kell490

    E85 is a ridiculous replacement for gasoline on a mass scale it’s been pushed by the corn industry for years and never gotten anywhere. While E85 has some great performance advantages over gasoline it’s never going to be a replacement fuel. The only way I see it is if they can make your car get 100 mpg on the stuff.

  • E

    Remember this is through a California government program. So it’s free R&D money and no risk if the program fails. From a financial standpoint this is a no brainier from Cummins. From a California tax payer perspective however…

  • kell490

    The big thing the E85 industry has been trying to do is use callous conversion using gassification or enzymes basically turning lawn clippings and other weeds into E85. The process so far has not yielded a results which has been cost effective but they keep trying. Central American country’s have been using E85 for years growing sugar based plants. Both are not anywhere capable of powering cars on a world scale. If Cummins could get a very high efficient engine to run it could be a game changer it would have to get 100 mpg with good enough power to run most cars and trucks. The GM bi-fuel SUV’s have always made me laugh because you have a low compression gas guzziling V8 that can run on E85 you can only go about 1/2 the distance on a tank of the stuff so most of those that GM manufactured never saw a drop of E85 in the tanks.

  • Fletch

    That is wrong, before E10, when people ran straight gasoline, it collected water at the bottom of fuel tanks. We used to buy little cans of alcohol to get rid of the water since it would freeze in the winter and not start, the cans were called HEET. Since E10, I have not bought HEET for some thirty years. You have drunk the Kool-Aid of the American Petroleum Institute(largest advertising firm by far).

    FYI, we are using 10% ethanol in the US today, Brazil is using a huge percentage, today.

    Ethanol is the only fuel to sequester carbon from the atmosphere rather than add to it unlike all other fuels including hydrogen which would use power plants.

    My 2015 chevy pickup’s mileage did not go down enough(2 or 3 mpg) to make gasoline cheaper per mile and this ethanol optimized Cummins engine gets getter mileage than gasoline or even diesel engines.

    Ethanol no longer is subsidized and it cheaper than gasoline most of the time especially if you count the military need to escort oil tankers which ethanol does not need.

  • kell490

    Ethanol as a replacement fuel is a pipe dream with vehicles that get 6-8 mpg. Brazil has 80 mil cars the US has 265 million. My question is how much damage is being done to the rain Forrest to grow all those crops for fuel? The united states doesn’t have enough rain to grow sugar beats to make the enough of Ethanol needed. If they can figure out how to do with with grass then it might change. If they can make Ethanol cheap enough it can price out oil. The real future for cars in america is cars that run on electric power I really think that is where we could do something, or a hybrid that only needs a small amount of ethanol to power it when more range is needed. Trucks like yours is ridiculous no one is going to run those on ethanol my friends chevy 2500 got 8MPG on ethanol when he tried it.

  • Ivano

    The race car simpleton thinks ethanol is great… and he pay $7.30 a gallon for it. He claims he achieves higher fuel economy. He must be drinking the stuff… in large quantities. Physics and Chemistry tells a different story. Destroys engines and lowers fuel economy. I hope he keeps drinking the stuff so he does not live long enough to keep voting for Democrats who are forcing this junk science on the working class public. It is also destroy marginal land that should not be used for planting corn… or anything else… and poisoning ground water with the application of agricultural chemicals…

  • Fletch

    Ethanol is very high octane and an engine optimized for it like the Cummins will and does achieve higher fuel economy. The price of ethanol is much cheaper than gasoline most of the time.

    Ethanol does not destroy engines, the EPA has studied this, this is API hogwash.

    Ethanol burns pollution and carbon free clean. Your oil lasts much longer as does your engine since soot acts like sand paper.

    Corn is in huge surplus and selling for below the cost of production and while I agree with you that conventional agriculture does pollute, the advent of cover cropping is about to revolutionize the loss of nutrients, the use of herbicides and fertilizers. Most all of the corn is grown for cattle anyway, and since they do not digest carbohydrates well, we might as well remove them from the corn and make a better feed out of it.

    Tar sands and fracking and even ordinary oil use far more water and pollute and poison far more than ethanol.

  • kell490

    E85 around here is no where near $1.69 must be in a state where it’s subsidized or not taxed maybe mid-west corn state. What I was saying is that E85 combined with hybrid cars could make a difference not sure why you think there isn’t enough copper when all models of cars being offered are already offering a hybrid version now. Auto makers have already said all cars will be hybrid by 2025. Also my friend said the Chevy dealer told him he has to change his oil more often if he runs e-85 which is strange because I thought it would be less often it runs so clean. I know e85 is a clean high octane fuel runs cooler until engines are built to take advantages of those things the current low compression built gasoline engine is not very economical to just switch everyone over to e-85. Electric vehicles are taking hold I see tesla cars all over the place now. Coal plants are on the way out in the US I work for a electric utility they are not investing any more money in the 2 coal plants they have now. With the future of natural gas cost being low much easier to add more solar,and more gas fired plants. Plus with Tesla battery wall being offered for homes with solar charging cars at home is probably the path we are going to see.

  • Fletch

    Hi Kell490,
    Actually, last Friday it was $1.59/gal and there are no state subsidies on E85 even in corn states that I am aware of. There have been programs in the past to make new blender pumps cheaper from states, but that would have a negligible effect. Since the money would go to products and banks in that state rather than Arabs and transnational oil company’s Swiss bank accounts, any subsidy on the pumps are paid back many fold. The cost per mile is the same and ethanol is not subsidized. Gasoline has subsidies that if included in its price would be more than double.

    Hybrids are not that great, my 2015 chevy is better in mpg than my 2011 hybrid. Just having start/stop capability would be affordable and capture most effeciencies hybrids have. In 2011 there were two chevy hybrid models, mine was the cheaper one because I needed to seat six people at times. Its list was for $36000(FYI the list went to around $41000 before they quit making it) The salesman told me at the time that the same pickup not a hybrid would be $3000 cheaper. I computed with the EPA mileage that I would have to own it with gas prices at the time to 100000 miles. It is at 90000 now. I leased a 2011 Lincoln hybrid too, it had a small trunk and not that great of mileage and my Chevy pickup lost storage under back seat because of the batteries as well.

    The amount of copper to build the electric infrastructure to supply power to cars would be huge along with the cars themselves. Copper prices would have to soar.

    Solar does not shine at night when people are home from work to charge their cars. Solar is currently .004 of US electric supply. It uses even more rare silver in big quantities.

    E85 from what I see removes calcium from oil which is a detergent added to oil for the soot gasoline and other nasties (i.e.BTX) added to our fuel. E100 would not need detergent as no soot would be generated. In fact and ethanol powered car would probably remove soot from the air it burned.

    Natural gas adds carbon to our ecosystem where ethanol recycles carbon, even removing carbon.

    Watch the movie Pump, the electric trolly system at the turn of the century is absolutely amazing, we went backwards and it had nothing to do with economics. You can not believe how many small towns everywhere had them. Ethanol is covered in the movie as well.

    The future close to perfect fuel is right under our noses, but big oil wants our future to be toxic tar sands and fracking. This Cummins Ethos engine makes it a no brainer.

    Thanks for the discussion,
    Fletch

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