A
On a long downhill slope, the low gear can control the speed of the car with the help of the engine.
B
Avoid the danger caused by brake failure.
C
Shifting neutral on a long downhill slope can result in over-speed, making it difficult to shift into the low gear to control the speed.
D
Neutral taxiing on downhill slope will increase fuel consumption.
✓
ANSWER · D
When coasting in neutral on a long downhill, an emergency brake without engine braking results in poor braking and can also cause the vehicle to lose balance and slide. In extreme cases, brake failure or steering failure can result, easily causing serious traffic accidents. Coasting in neutral does not save fuel and damages the car while being dangerous. Note that the question asks for the wrong reason, so choose the option saying that coasting in neutral downhill increases fuel consumption.
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