Posted by MarkB_MI on March 16, 2021 at 07:16:52 from (174.230.18.153):
In Reply to: Tesla car battery posted by Geo-TH,In on March 16, 2021 at 06:06:10:
Well, George, I found that article pretty much unreadable. It seems they google-translated some Swedish article and the results are bewildering (at least to me). For example:
"The study also concluded that emissions grow almost linearly with the size of the battery, even if it is pinched by the data in that field."
What the heck are they trying to say?
I assume their point is that battery manufacturing generates a lot of CO2. OK, I'm sure it does. So does the Bessemer process for refining steel. What really matters, if you're trying to reduce CO2 emissions, is the average amount of carbon dioxide generated over the vehicle's lifetime. Here's an easy-to understand bar chart that compares the CO2 emissions for different EVs, hybrid and IC vehicles. And yes, the EVs DO generate a lot of carbon dioxide. But it's not the manufacturing that produces the lion's share of CO2 for EVs. It's driving them, and that's because we still use a lot of fossil fuels to generate electricity. The more we switch to renewable energy, the better EVs look.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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