Edit in JSFiddle

// DOM ready
$(function() {
  var $garage = $('#garage'),
      $vehicleType = $('#vehicleType'),
      $vehicleName = $('#vehicleName'),
      $addVehicleForm = $('#addVehicleForm'),
      $vehicleTemplate = $('#vehicleTemplate');

  // Add vehicle form submit
  $addVehicleForm.submit(function(e) {
    e.preventDefault();
    var vehicleName = $.trim($vehicleName.val());

    if(vehicleName === '') {
      alert('Vehicle name required.');
      $vehicleName.focus();
    }
    // Input OK
    else {
      // Add vehicle to garage
      var $vehicle = $($.trim($vehicleTemplate.html()));
      $vehicle.addClass($vehicleType.val());
      $vehicle.find('.vehicleType').text($vehicleType.find(':selected').text());
      $vehicle.find('.vehicleName').text(vehicleName);
      $vehicle.appendTo($garage);

      // Clear and focus vehicle name input
      $vehicleName.val('').focus();
    }
  });

  // Delete vehicle button
  $(document).on('click', '#garage .vehicle .deleteBtn', function(e) {
    e.preventDefault();
    $(this).closest('.vehicle').remove();
  });

  // Select vehicle name after vehicle type change
  $vehicleType.change(function() {
    $vehicleName.focus();
  });
});

<h1>My Garage</h1>
<ul id="garage">
  <li class="vehicle car">
    <strong class="vehicleType">Car</strong>
    - <span class="vehicleName">2011 Nissan Frontier</span>
    - <a class="deleteBtn" href="#">delete</a>
  </li>
  <li class="vehicle motorcycle">
    <strong class="vehicleType">Motorcycle</strong>
    - <span class="vehicleName">2007 Honda CRF450R</span>
    - <a class="deleteBtn" href="#">delete</a>
  </li>
</ul>
<script type="template" id="vehicleTemplate">
  <li class="vehicle">
    <strong class="vehicleType"></strong>
    - <span class="vehicleName"></span>
    - <a class="deleteBtn" href="#">delete</a>
  </li>
</script>
<form id="addVehicleForm">
  <select id="vehicleType"> 
    <option value="car">Car</option>
    <option value="motorcycle">Motorcycle</option>
  </select>
  <input type="text" id="vehicleName" placeholder="Vehicle name" />
  <button type="submit" id="addVehicleBtn">Add Vehicle</button>
</form>