An electric vehicle that gets charged from a coal plant is actually a Coal-Fired Steam Car.
The problem with capturing CO2 with photosynthetic biomass is that most of the carbon is not removed long-term from the atmosphere.
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#1 Nov 15, 2013
Not exactly. First, you cannot charge an electric car from a coal plant. It gets electricity from the grid which has a large mix of different sources, some green, some not.
Even if it was from a coal plant, the efficiency of a 'coal fired steam car' would be abysmal as a portable power plant. The high thermal efficiency of a coal power plant (up to 44%) is much higher than an ICE, and the efficiency from that point is up in the 80% to 90% range.
ICE engines generally runs very inefficiently, producing no more than 30 hp even though it is sized to 200 hp or more. A coal fired steam engine would do even worse. Only about 10% of an ICE engines power gets to do useful work. One reason they have so much heat energy left over or discarded by the radiator.
Invalid comparisons and 'clever sound bites' are all the reasoning the right wing seems to have. And if electric cars are so bad, why are they spending so much energy trying to kill them?? Yes. Because they aren't so bad after all.
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