1. It's time to refuel my car.I should refuel my car.不过,美国人更习惯会这样说I need to fill up the tank.2. I'm low on gas. The remaining gas won't last long.low on gas 快没油了如果你要按照字面翻译My car is almost out of fuel (gas). There isn't much left in the tank. I'm afraid I have to stop for gas before it runs out.