Sixteen of these early hybrids still service Genoa, Italy, where drivers switch from diesel to electric power when passing the city's downtown architectural treasures. But no city has gone as far as Seattle, which last year bought 235 GM hybrid buses at $ 645,000 a pop. When the final o...
Unlike the original Titanic which was powered by coal-fired boiler and steam engines, the Titanic II will have modern diesel(柴油机) and electric engines. Also unlike the first Titanic, the Titanic II will have more than enough lifeboats to accommodate everyone on board if something should go ...
I’ll start out by saying that I do not believe you have proven your hypothesis,,,that being that gasoline engines intrinsically generate greater torque than diesel. What you have done, I think, is to inform us of the disadvantage of excess air in diesel engines. Those are...
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Plus, they tend to be heavier (and more expensive) than gasoline or diesel engines of a similar power output. Summary of the Full Article Below The article below will tell you the history of the Stirling engine, how they were forgotten, then revived, then forgotten again, and give you a...
I spent some winters on the ice roads and you can produce diesel that stays fluid, but the seals and switches are still a problem. DEF is basically water with urea. Its freeze point is lower than water because of the urea, somewhere around -15 C. The amount that we use as we’re ...
Explain why do different liquids have different viscosity? Explain mathematically how the thermal efficiency, n of Otto cycle is always higher than diesel cycle if-and-only-if both engines are operated at same compression ratio, r. Compare the two approache...
So, you have guests on your show who clearly have a different political view from yours or maybe a different world view than yours and you don’t seem to care about any of that, you’re just like, “Hey, did the guy do a good investigation? Has he risen to the level where I can...
the bags that came with you are going to 20 different destinations. So I’ve got to have people that take those bags and then do a milk run to drop them off at multiple locations. So, you know, I might get your bag, but then the next flight, I just didn’t have quite enough ti...
Let’s not forget that engines, I mean, engineering, that’s what German carmaking was all about. That’s what they were best at. Now, with the shift towards EVs, competitive advantage is more given by good software or good batteries. And Volkswagen and other German carmakers, that’s ...