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UPSC 2000 · Q99 · Science & Technology › Energy & Environment · Save

Consider the following features of newer models of motor cars: I. Radial tyres II. Streamlined body III. Multipoint fuel injection IV. Catalytic converter with exhaust

Which of these features make the newer models of motor cars more fuel-efficient?

(a) I and II
(b) II and III
(c) III and IV
(d) I, III and IV
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Answer: (b) II and III