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Gas used on running a car
Submitted by seeturtle on Thu, 07/24/2008 - 10:35pm.
We spend a lot of money paying for gas, but how much do we actually use to move the car? Apparently, we only use about 20% of the gas that we buy. The rest of it is just wasted on heating the road, the tires, and the engine. The reason why is because we lose a lot of it during the energy coversion from chemical energy to mechanical enegy. There is actually no way to use every sigle percent of the energy; some will always get lost in the process. (4 votes) »
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I knew that energy is always
I knew that energy is always lost in processes...however, knowing that we only use 20% of the gas we buy...is kind of upsetting!
not old enough
I'm not old enough to drive, but I see how much my parents are spending -Seeturtle