A
Both 1 and 2
B
2 only
C
1 only
D
Neither 1 nor 2
Correct answer: (c) 1 only
Explanation
Statement 1 is correct because ethanol has superior anti-knock properties (higher octane rating) compared to petrol, but its calorific/energy value per litre is lower. Statement 2 is incorrect because FFV-SHEVs specifically combine internal combustion flex-fuel engines with electric drive motors and self-charging battery systems.
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