DIESEL | How it Works

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Published 2018-08-01

In this week’s episode of Science Garage, our host Bart breaks away from stereotypes and dives into the nitty gritty details about diesel fuel. Rolling coal is a way of life for many folk, so we take a look beyond the high torque smoke stacks to find out what makes diesel go BOOM. Why are diesel engines more fuel efficient? Why does diesel create smog? And are there any drawbacks to biodiesel regarding global warming? Find out all of this and more! This is Science Garage!

Bart teaches us how cars work by blowing stuff up and cutting things in half. It’s a science show for the car lover who’s easily bored. Join Bart as he explains the science behind everything automotive. This is cars down to the atom. This is Science Garage.

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All Comments (21)

@LifeofBoris 5 years ago

I fuel my rockets with it in KSP
@paolodigualtiero3251 5 years ago

Diesel is like nuclear: everybody hates it for no particular reason but it's actually better than most other alternatives
@armintheboi4935 4 years ago

Petition to bring Science Garage back!
@claytonbourne8967 4 years ago

I miss science garage. Seems like we haven't had one it FOREVER. Bring it back!
@mardukabaddon5527 5 years ago

why can't school be like this?
@theuglynakedguyfromfriends8134 5 years ago

If Diesel is cool and mighty why isn't there a Diesel 2
@carsonbode8394 5 years ago

My aunt had more strokes than that engine
@Its_motion_media 3 years ago

I didn't understand how good we had it. I hope Bart is well. We miss you :(
@knifetoucher 5 years ago

12 min video about Diesel and not a single Vin Diesel reference... I am dissapoint.
@unsolve9162 3 years ago

Surprised you didn’t mention how it makes a lot of torque and not a lot of horsepower so that’s why Diesel engines commonly have turbos
@saghwteam 3 years ago

The teacher : Don't play around with laboratory equipment, they cost money! Me and my friends : 6:52
@kcnewton7684 5 years ago

u forgot to talk about the old 2 strokes not all diesel engines were 4 strokes
@ivanlowjones 5 years ago

Rudolf Diesel's great-great-grandson Vin, is certainly a fine actor in his own right.
@wilsonvinas5906 5 years ago

2:26 that gasoline engine needs a timing belt adjustment
@intrepidmixedmedia7939 3 years ago

The delivery is so consistent it's hard to tell when he's leading into a joke or actually explaining diesel fuel. Makes the whole video that much better...I think
@goodday4221 5 years ago

can we get a "Petrol if ya nasty" t-shirt
@eurosonly 5 years ago

My car runs on mountain dew and dorritos
@danwarner3527 5 years ago

As a High School auto shop teacher your videos are amazing! I would have included a short segment about PV=nrT and how this formula helps ignite diesel fuel in the engine.
@grey5626 3 years ago

I learned how to drive on a 1970s Mercedes Benz station wagon that was diesel, with NO TURBO. I still dig diesels, and am getting > 40MPG averages on my 2018 Chevrolet Equinox with a 1.6L 137hp diesel (my 50 mile record was 65.2MPG, but that was when I drove to Colorado in 2019, places such as Nevada and Utah with 80MPH speed limits and long flat straight stretches of freeway helped me determine that 72MPH is about the hypermiling ideal for that car for speed to MPG trade offs, alas California has many windy hilly roads, and tons of stop and go traffic, so I don't experience that kind of efficiency here). I drove a 2001 VW Golf TDi (which was about 90hp) that I bought used with 100,000+ miles on it, for another 150,000+ miles before the transmission ate itself and my mechanics laughed at me about doing more maintenance on a car that already had the 3rd highest mileage of any vehicle they had ever serviced (255,000+ miles wasn't bad, but not 400,000+ miles like that 1970s MB wagon got when I last knew of its whereabouts), I mostly ran that car on B99 biodiesel too!
@leonhaku 3 years ago

I remember in high school we were going over energy and the class focused on the negatives of Gas and how cars are killing the earth but they made a passing glance at diesel just saying "its just a more efficient gas but its harder to manufacture". Tfw you learn more on YT than in school...