Diesel vs. Gasoline For Trucks - Why Trucks Run On XXX
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- čas přidán 20. 05. 2024
- Why Trucks Run on Diesel Instead of Gasoline
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Ever wondered why those massive semi-trucks rumbling down the highways run on diesel instead of gasoline? Dive into our latest video to discover the fascinating reasons behind this choice!
Join us on this educational journey, and gain valuable insights into the world of trucking technology. If you're intrigued, hit the like button, share with fellow enthusiasts, and subscribe for more eye-opening automotive content!
▬▬▬ The video ▬▬▬
00:00 Start
00:24
The Chemistry of Diesel vs. Gasoline
01:11 Reason 1 - Torque Matters
02:53
Reason 2 - Fuel Efficiency
04:40 Reason 3 - Durability Matters
06:00 Reason 4 - Meeting Regulations
07:16 The future of semi-truck fuel?
▬▬▬ End ▬▬▬
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Very simply put Gasoline is a race horse and diesel is the work horse
From watching various large diesel truck videos it is noticed that the new diesel trucks that have all the latest in emissions control equipment such as selective catalytic reduction and diesel particulate filters now have a serious reliability problem. The problem is that these emission control systems break down frequently resulting in the truck spending a lot time in the repair shop and less time on the road. These breakdowns are very expensive for truck drivers and truck companies. So there is a great need for the emission control systems to be a lot more reliable and last a long time.
There have been some gasoline engines in trucks and buses but many of them didn't last with rising fuel costs.
Starting today, do not use Montserrat font. Hint: (Gotham is Paccar's font, so a font similar to Gotham is Montserrat.) It is to Paccar, so we still use fonts released 1980-2010, and 2015 to future years, therefore Montserrat font was released 2011 or 2012.
Diesel is better for towing. Especially going through Nebraska and Wyoming where is is extremely windy. Me and my family went out west with our campers. My brother in law had a diesel and my dad had a gasser. In Nebraska my dad was getting like 7 mpg while my brother in law was getting like 17mpg
A lot of comments and even the video will mention that a diesel engine is more fuel efficient and then fail to explain why.
Two of the big reasons:
1) when under load a diesel engine uses excess air in the cylinder as a coolant whereas a gasoline engine uses excess fuel. I.e. a diesel will run very lean and use the excess air to carry heat away whereas a gas engine will run rich and use excess fuel to carry heat away.
2) compression ignition results in very rapid combustion whereas a gas engine has a relatively slow flame front. The rapid combustion combined with the high compression/expansion ratio enables more useful work to be extracted from the energy in the fuel.
Also, yes diesel fuel is more dense than gasoline but that is not relevant in a thermal efficiency calculation.
Great content but some more longer form videos would be fantastic.
A complementary video to this would be one on the fuel refinement process. With diesel being less refined than gasoline, it makes sense that it has less environmental impact.
True thanks for sharing 👍
@@TruckTropia
You’re welcome 🙂
Then on the tail of that, how the cetane number of diesel fuel correlates to emissions.
The animation shown at 0:39 shows an organic compound 'containing' oxygen. Not a hydrocarbon
easy answer: torque and economy
diesel generator truck would also be good alternative
Electric trucks produce emissions, they just are the equivalent of having a really really long exaust pipe to emit those pollutants somewhere else.
Same energy that powers your house
@@Jst4vdeos yes and I'm looking at all the aspects of it like the mining for the solar panels and such as well.
I'm reminded of China having a plan to combat smog by using natural gas, but they were going to use natural gas from coal because the plant could be further away from the cities that actually used the power. So the city avoided pollution but the local country folk had to deal with the pollution.
Also sorta. Since my house isn't necessarily where I would be charging at. Especially if driving long distance. So the electric sourced would be from a variety of sources.
Yes and no. You can generate the electricity without emissions. But even if you would use coal for it: 1) electric motors are way more efficient (less KWh needed). 2) bigger generators (powerplant) are more efficient then a small one (onboard combustion engine)
@@1987tijgertje electric motors aren't much more efficient then a transmission in power losses. Every time power is converted there's losses involved.
With a electric vehicle you are
1. Generating electricity
2. Transmitting it
3. Stepping it up
4. Stepping it back down
5. Stepping down again
6. (Assuming fast charging) stepping up again.
7. Charging the battery
8. Transmitting
9. Converting the electricity to a magnetic field to make rotational force
At each step, power is being lost.
On a ice vehicle you're
1. Generating power
2. Transmitting through the transmission
3. Transmitting through the diff (skipping this step in the case of a front wheel drive)
The reason electric seems more efficient is that the power isn't being made on sight. The engine is the generator off sight making it so the car is all transmission, so the efficiency of a electric car is the power losses only. A apples to apples is to compare the power losses through the transmission only of a ice vehicle.
Also because of the limited power density, electric cars themselves are built to be as efficient as possible, being made more aerodynamic, having stiffer tires and such while also doing tricks such as regenerative braking (a trick that ice vehicles are capable of even without using electric hybrids). Because of the increased energy density of gasoline or diesel compared to a battery, a ICE vehicle can be build without as much consideration to sheer efficiency of the rest of the vehicle, so they can use softer tires with less idealized tread patterns and they can afford to have less efficient shapes.
The effect of this is shown most starkly when a electric vehicle is asked to tow, or haul oversized odd shaped cargo that ruins the base vehicle's aerodynamics and rolling resistance. While on a ICE vehicle when towing and hauling, the range changes only slightly, on a electric vehicle, the range decrease is upwards of 3/4 of the original range. A prime example of this is people who found while towing a car with their Ford lightnings and similar with rivian, the range dropped from 300 to 500 miles down to sub 100 miles.
When a ICE vehicle is built around pure efficiency, their efficiency is eye watering. Examples would be like VW's diesel car that was rated between 200 to 250 miles, per gallon.
Emissions free power generation all has its negatives though, such as the massive landfills needed for wind turbine blades. Disruption of marine life due to very loud vibrations from off shore wind. Creating blinding hazards for pilots and cooking birds from the sky in the case of solar. Disruption of fish migrations, halting sediment flows, flooding habitat for both humans and animals and even altering the planet's rotation in the case of hydro.
That's to say nothing of the environmental and humanitarian disaster that is mining for the various elements in batteries. My personal favorite is the plan to scrape the deep ocean floor causing untold permanently damage to a environment we don't understand and don't understand the impact of.
Most semi truck engines like cummins don’t rev past 2100 rpm. Cat c15 and c16 are around 2400 rpm.
I also wouldn’t say newer Diesel engines are better. Cus they all have sensor and missions issue, I’ve seen more and more company and even owner operator, sell there new trucks and buy older truck that is pre emissions. So anything be before 2007 or older. You see a lot 1990 to 2005 trucks still on the roads with older Cat engines. Cus new engines are SHIT. Newer trucks always in shop while older trucks are running circles around any new truck.
They plug up, sensors and computer issue, along def and emission issue. Simple because these new turbo diesel emissions can’t breathe. So they slowly kill itself. They not more efficient Cus spend more time in shop for repairs.
I’ve seen few videos where truckers are looking at diesel hydrogen as option. Cus let’s diesel burn cleaner and hotter. Cummins is working on hydrogen engines.
Most people dont know what downtime is.
@@ChaotiX1most people.just.go.with what the government says is good and don't question sad but true now one may say no because if people see it isn't good for them they fight to get rid of it no they don't because they simply remove it for a couple month and bring it back with another these people aren't gonna let their cash cow to so easily and as long as we keep giving them money it will stay that way
Diesel naturally produces extremely low emissions. Nox is not what they say it is. Diesel engines uses more air than fuel. So u have extremely low emissions. Without the government hazardous waste emissions which puts ammonia oxide into the atmosphere. Which is why bees trees and plants are being destroyed. Mor toxins are being emitted by the scr def. Let the diesel engine breathe and run on biodiesel fuel which burns cleaner. And has barely any emissions co2.
Torque is a result of power divided by rpm. The lower rpm an engine has the more torque it produces. With the right gear ratio you get the same torque to the wheels, which is what matters.
It's the torque curve that's different between a gas and a diesel engine:
A gas engine produces the maximum torque at a pretty high rpm and at idle the torque is pretty poor.
A "free breathing" diesel produces it at a pretty low rpm and torque is there already at idle. With a turbo- or supercharger you can extend the maximum torque to a wider rpm range on a diesel, which makes it more "flexible" than a gas engine. This is why turbochargers have been used on diesels a lot before on gas engines.
Simple answear
Diesel have Insane power to push forward
While petrols(Gas) are lighter and easy and rare to see them in new crappy ugly abomination trucks
6:20 Come to my country. You never see anything.
Not only in trucks towing a thing a diesel will shine. And a diesel suv will be elephant better than any petrol
For the same reason you'll never find a vessel powered by gasoline
The future will remain DIESEL! But hybridized with electricity. Best of both worlds, fuel efficient burning of Diesel to generate electricity at optimized engine RPM and electric motors with instant torque from zero speed. Imagine 50% reduction in diesel consumption. The best kept secret or the most difficult thing for common people to understand/grasp is that once an object on wheels start moving, you do not need to provide the same amount of force to maintain that motion. Still do not get it, have a look at diesel locomotives which uses electricity to turn the wheels but the diesel to generate the electricity on the tracks themselves. The diesel engines will require a common rail which works at 2,000 bar and stratified injection.
I know this will sound nuts but we need a small diesel hybrid. The charge to consumption ratio would be minimal.
Because gasoline engines aren't used in trucks or other heavy machines anymore is the reason why they don't need to be so so robust and heavy. A long time ago, before diesels were used in trucks, gas engines were pretty heavily built. A gas engine can last as long as a diesel, if they are built the same way.
Diesel fuel has an approx. 13% higher density than gasoline. The energy content per weight unit is pretty much the same for both, but you need more volume of gas to get the same energy.
short answer: because Diesel used to give more load-miles per dollar; before every short guy tried to compensate with a rod-knocking overfueling brodozer.
Good question. No reason you couldn't built a gasoline engine with exceptable performance. In fact they already do. Trucks running on LNG/CNG are basically gasoline engines. Now why they don't try and make a new gasoline truck especially with the price of diesel now a days, beats me?
What do you mean with price of diesel? Here in Europe diesel is cheaper and gets you more MPG than gas. Only LPG is cheaper.
@@surena9451 diesel is way more expensive here in the US.
@@aaronmoser2617 Ah, yeah here in Europe it is cheaper, but taxing on diesel cars on the other hand... Older diesels are expensive to own, unless its a business car.
@@surena9451Same strategy we use in Uruguay, obscene taxing and low price, its supossed to make it cheaper for Bus and Truck companies while desestimulating the use by 4x4 and Taxi owners, the fact that gasoline here as at least 1/5 of its price made of taxes makes it really annoying too
@@jolibethrodriguez7471 1/5th of your gasoline price is tax? That's good, actually.
In the Netherlands gasoline pricing is based more than half on just excise duty, and we also pay "BTW" tax on our fuel. Almost 70% of what we pay goes straight to the gov.
It's insane, and they want to increase the prices too by increasing the excise duties...
BR transportador. 💛 💚 ❤ 💙
Diesel has Longer run time because it burns slower due to its thicker density. more torque due to high compression. Has less maintence and less parts needed. relies on its high compression for ignition.
Gas engines have lower compression thus has less torque numbers. Spark is needed to run the engine. Also gas has thinner density and is why it burns faster.
Both fuels are very different
In fuel density
Diesel burns slower and has thicker density Diesel has a longer run time.
Gas burns faster and has thinner density Gas has a shorter runtime.
Less parts and less maintenance is true only for old "mechanical" diesels that didn't need electricity for running. I'm pretty sure that modern diesels with common rail fuel injection and all kind of emission control and reducing systems don't have less parts than gas engines and they need electricity to run too. Gas engines don't need "AdBlue" or other systems that don't even seem to be very reliable.
@@ontheroadagain4773That is correct.
Keep on truckin', baby
I got to keep on truckin'
Got to get to your good lovin'
Huh ... huh ... huh ... huh ... huh ...
And people think that electric trucks will take over.. never, maybe in 70-80 years or even more
yes exactly diesel is just better there is no good argument agaisnt that
Electric trucks with diesel generators are a thing now. The electric motors drive the wheels (cause they produce more torque than a dieael motor ever could) while the diesel generator under the hood simply recharges the batteries.
Honestly, as long as it does the job reliability and economically. Why does it matter if electric or diesel. It can run on pixie dust if it will get the job done and makes money.
I believe in hybrid. Diesel is used for a reason but electric is good at other things.
Electric is like a city thing. And apu thing.
I can't speak about trucks, but for Uber electric is the best. If I had to drive an even bigger mileage transporting goods, I would certainly prefer an electric truck as well.
Gasoline uses a spark plug
Gasoline engine is more horsepower but less torque and Diesel engine is less horsepower but is more torque
@0:40. that CGI is very misleading for a 4-stroke, 4 cylinder gas or diesel engine. I know of NO engines, diesel or gasoline, that fire more than one cylinder at the same time...
Oof, yeah I just rewatched it and you're right, it's atrocious
so you tell me that gasoline engines get tired . ok dude
I have an EV. But I'm not delusional to believe heavy haul truckers to switch to EV. If you want Amazon packages to be delivered on time, truckers have to stay diesel.
Thanks for the support ❤️
@@TruckTropiadiesel will never go away period
It will, Biodiesel or other synthetic replacement will take it place and we never will realize
The king is dead, long live the king they said, and Diesel is the king of freight
ive just watched your enginge comparison video and its just disgusting how you are fanboying scania since you havent talked about the bitter truth of scania truck and its fuel consumption! and if you are talking about trucks in europa .. why aint you listening to the people who almost NEVER mention a scania in the top 3!
but ofcourse .. its has an V8 and any smart company owner wants a V8 over an enginge with less fuel consumption! ofcourse! and you gave mercedes benz a 2 in the power section .. you had no category for fuel soncumption AND you lied about volvo having the biggest service points in europe which in fact is mercedes benz! just WOW!
Good you know so much 👍
Because Americans only care about the price of ⛽ that why 😂😂
I mean when you have to fill up a 60$ tank more then two time a day it tends to really become problematic
@@bobbyknight3589 the point still stands feul economy and reliability are the main things people worry about at least I do I can't speak for everyone
@@fireflyraven2760
I pay more for a engine that will last longer and get better mileage if problem taking care of 🤷but that just me
That’s an urban legend, that diesel engines last longer than gasoline engines do.
You must be Canadian to say Patrol no one in the the USA does not call it Patrol we call it gas.😂
From Europe 👍
Stop it with the torque myth. Torque is pretty much what dumb people say when they want to sound smart. There is nothing special about torque making it extra suitable for truck engines. All ICE engines have gear boxes. If the engine was less torque, it would simply be geared differently.
What does matter is how wide the torque band is, and diesel engines really dosn´t have that wide of a band.
Similarly, while diesel engines tend to be more durable, this is really a effect of them being built to be more durable, not that they automatically are more durable.
It alls come down to efficiency.
🤔