Your GRE Question by GRE Question a Day

Directions: Reading Comprehension - read the following passage to answer the question below.

1Recent advances in automotive technology have enabled designers and engineers to develop cars with increasingly better fuel efficiency and less environmental impact. 2Hybrid models, with gasoline-powered engines supplemented by an additional electric battery for improved efficiency, represented an initial foray into cleaner transportation. 3Electric cars, the next generation in this paradigm, have dispensed with gas engines altogether, relying exclusively on electric motors. 4Eliminating internal combustion engines could cut fossil fuel consumption by a third and result in up to 45% fewer emissions of hazardous air pollutants. 5This change will necessitate a new infrastructure of charge stations, potentially replacing the gas station so iconic in 1960s U.S. car culture. 6In addition to reducing air pollution, electric cars can decrease noise pollution as well: Unlike their less technologically advanced counterparts, electric cars are virtually silent, although this benefit has the drawback of leaving pedestrians little warning of their approach.

Select the sentence that describes a fundamental change in automobile design. Enter your choice in the blank below. (Ex: 3)


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