Making Engines Run on Vegetable Oil

Diesel engines will not be the very first thing you recall to mind whilst you pay attention the time period ‘low emissions’, however Audi is on a challenge to modify that and stay the interior combustion engine alive somewhat bit longer.

Audi has authorized a few of their V6 diesel engines to run on vegetable oil. Not diesel. Not petrol. Vegetable oil.

It’s a biofuel known as Hydrotreated Vegetable Oil, and so they reckon it’ll lead to a 70-95% aid in co2 emissions.

It virtually sounds too excellent to be true. So, what’s HVO, why is it so excellent and is it the longer term for diesel? Let’s get into it.

It’s price noting that individuals had been working outdated diesels on waste vegetable oil for rather a while now. You can trawl via all of the other discussion board threads from folks asking if they are able to run their automotive on outdated chip fats.

It simply is sensible. Who wouldn’t need a renewable gas that’s inexpensive than the belongings you get from the pump? You may use the cooking oil from final night time’s dinner to get you to paintings.

In concept, any diesel will be capable to use vegetable oil. After all, the inventor of the diesel engine, Rudolph Diesel, in fact ran his early engines on peanut oil.

Unfortunately, it’s now not rather that easy.

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42 thoughts on “Making Engines Run on Vegetable Oil”

  1. a few years ago i had a opel astra 1.7 TD from 1993 and i was using 100% sunflower oil directly from supermarket, not much difference in consumption or power of engine, but a big difference in savings, all classic diesel cars can run on cooking oil without problems…unfortunately now the price of sunflower oil is bigger than diesel fuel

  2. In here it is illegal to use anything other, than approved fuels, but in reality nobody asks. But diesel costs about 2€/l and the cheapest vegetable oil costs about 3€/l. You pay even for the used one.

  3. Vegetable oil for engines and lubricating machinery. BUT is promoted by most governments as a healthy alternative to cook rather than use animal fats …

  4. "Diesel engines might not be the first thing you think of when you hear the term ‘low emissions’" That was probably true in the 70's but not for decades, Diesel has been cleaner than gasoline for a loooooooooooooooooooooooooooong time. Not only to produce but in CO2 emissions AND miles per gallon it beats gasoline engines 100-0!

  5. heh. lol. been doing that with my VP37 and VP44 diesels for ages. just straight cooking oil from the bottle. 79cents a liter. it works perfectly well! and also if you drive a older car with injection pressure below 200bar and NO dpf or adblue, the exhaust fumes actually smell delicious. just like frying up some french fries!

  6. Diesels first engines where designed to burn vegetable oil and they run great on it but is has more carbon so it putts out more Co2 and growing it requires large amounts of fuel and fertilizer made from oil!

  7. Less emissions and it displaces the food supply, leading to mass starvation and death, which leads to less emissions. It's an eco-warrior's dream.

  8. 2:02 at first I was skeptical, but after hearing that it's case closed lets do it! Judging by the road it's not like California paves its road with my .08$ a gallon anyway

  9. I find your content interesting and it's really good. Unfortunately my eyes get distracted by fast movements easily and your abundance of hand movements make it hard to focus on the content. Anyway, I'm just one viewer so no biggie.

  10. Vegetable oil is not necessarily less polluting than fossil fuel.

    1. Vegetable oils require fertilizer which take energy to make and transport.
    2 extracting Vegetable oil takes energy and is labor intensive
    3. The distribution 🚚 of oil to pump location takes energy.
    4. Vegetable oil need to be heated before it can combust .

  11. The real reason (W)vo is attractive is that it is a DIY fuel. As soon as they industrialize it, I will lose all interest I have in it. Who doesn't want free fuel? Especially at (or over) $5 a gallon! But if I have to pay 15% more for a fuel that is 10% less efficient, Then I will just stick to regular plain old diesel. The other issue is that if too many people get interested in it then it will no longer be a viable option as it becomes harder and harder to find. In some area's restaurants will charge for their used oil as they have so many people asking for it. So it has went from them letting you pick it up for free so they could save on disposal fees to charging for what they used to pay to throw away. Plus you have to make a huge investment to process the oil, and modify your car with switches and valves, and oil heaters, and sometimes mess with the computer so your car will not trigger the fuel sensor which will shut down your car/truck. Between the upfront cost and the surge in demand causing people to get into bidding wars over old used oil, It is time to step away from the whole idea altogether. Imagine spending thousands of dollars and hundreds of hours on the project to end up spending $7 a gallon for used vegetable oil and then having to spend weeks to settle and de-water the stuff before you can even use it. Just another thing to add to that used to be worth it but no longer worth it list. Like running your car on propane used to cost a whole lot less and now it cost more than just filling up at the pump. Or when you bought an electric car in the early days you could plug into a charging station for free, But now it cost more to go the same number of miles and it can take hours to recharge. I guess the only way left to ave on fuel is to ride your bike to work, give them time they will figure out a way to make that costly too… 🙁

  12. The thing is, combustion engines wont last. Electric motors will be the only thing that cars use to move. Wheater the electricity comes from a battery-pack, fuel cell or anything else.

  13. You forgot what is probably the biggest issue with using vegetable oil (converted or not). You're using agricultural production needed to feed people and applying it to transportation industry. Should be criminal. Not to mention all the energy required in the farming industry to grow the stuff. Look what happened in the US with corn, ridiculous.

  14. Octane and cetane are essentially the inverse of each other. Cetane is the catalyst to promotion of diesel combustion where octane is resistance to premature combustion (detonation).

  15. In my trucking career in Sweden i have used RME ('90s, Canola oil) , ECOPAR since early '00s (synthesized diesel with Fischer–Tropsch process from Methane) and HVO100 around 8 years. Not often i use standard diesel. Best of them all is ECOPAR. I could start the engine like nothing in -20C without heater and no smoke in a old 1994 Scania.

  16. We run part of our fleet of sanitation trucks (The diesel engined ones) on HVO100, so pure HVO with no additives, it's almost £3.5 a liter, so it's expensive. Regular diesel here (Sweden) fluctuates wildly but stays around £2.5-2.8/liter atm.

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