<img src="https://www.w3cplus.com/sites/default/files/blogs/2015/1506/car.png"  class="car" width="220"/>

.car {
  animation-name: drive;
  animation-duration: 2s;
  animation-timing-function: ease-in;
  animation-iteration-count: infinite;
}
@keyframes drive {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(400px);
  }
}