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प्रश्न
What are the benefits, if we switch off the engine of the vehicles at the red light on the road?
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उत्तर
It will save fuel if we switch off the engine of the vehicles at the red light on the road.
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संबंधित प्रश्न

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| Oil | Rate of one litre in 2002 (Oct) | Rate of one litre in 2007 (Oct) | Rate of one litre in 2014 (Oct) |
| Petrol | Rs 29.91 | Rs 43.52 | Rs 67.86 |
| Diesel | Rs 18.91 | Rs 30.48 | Rs 58.97 |
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