June 2007 LSAT Section 2 Question 8

Proponents of the electric car maintain that when the technical problems associated with its battery design are solve...

Lui on May 31 at 04:15AM

I chose B instead of A because I thought that it is more valid to conclude that electric cars would merely "not reduce" environmental degradation than outright assume that electric cars would worsen the environmental degradation. Why is B incorrect?

The passage does not logically follow that electric cars will actually make environmental degradation worse, but only that it will not make it better.

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Emil-Kunkin on June 7 at 01:52AM

Hi, A isn't actually saying that EVs would make the environment worse. It is saying that their total impact will be worse that it's supporters believe. That is, that the net impact of EV will be less positive than those who support it think. This might still be a net positive, but a smaller net positive than its supporters think it will have.